8400808 has 16 divisors (see below), whose sum is σ = 16963380. Its totient is φ = 3877248.

The previous prime is 8400797. The next prime is 8400811. The reversal of 8400808 is 8080048.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 209764 = 2862^2 + 458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40285 + ... + 40492.

Almost surely, 2^8400808 is an apocalyptic number.

It is an amenable number.

8400808 is an abundant number, since it is smaller than the sum of its proper divisors (8562572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8400808 is a wasteful number, since it uses less digits than its factorization.

8400808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80796 (or 80792 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 8400808 is about 2898.4147391290. The cubic root of 8400808 is about 203.2857889973.

The spelling of 8400808 in words is "eight million, four hundred thousand, eight hundred eight".