The number 800,000 (eight hundred thousand). Used for large quantities such as amounts, populations, etc.
その車は８０万円で買った。
I bought that car for 800,000 yen.
市の人口は約八十万人だ。
The city's population is about 800,000.
クラウドファンディングで八十万ドル集まった。
We raised $800,000 through crowdfunding.