808900398 has 32 divisors (see below), whose sum is σ = 1841404320. Its totient is φ = 263056320.

The previous prime is 808900381. The next prime is 808900423. The reversal of 808900398 is 893009808.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180465 + ... + 184892.

It is an arithmetic number, because the mean of its divisors is an integer number (57543885).

Almost surely, 2^808900398 is an apocalyptic number.

808900398 is an abundant number, since it is smaller than the sum of its proper divisors (1032503922).

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

808900398 is a wasteful number, since it uses less digits than its factorization.

808900398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365409 (or 365403 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 808900398 is about 28441.1743428432. The cubic root of 808900398 is about 931.7477435950.

The spelling of 808900398 in words is "eight hundred eight million, nine hundred thousand, three hundred ninety-eight".