690059204 has 12 divisors (see below), whose sum is σ = 1209402684. Its totient is φ = 344515584.

The previous prime is 690059177. The next prime is 690059207. The reversal of 690059204 is 402950096.

It can be written as a sum of positive squares in 2 ways, for example, as 327537604 + 362521600 = 18098^2 + 19040^2 .

It is a super-2 number, since 2×690059204² = 952363410050227232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690059207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125477 + ... + 130860.

It is an arithmetic number, because the mean of its divisors is an integer number (100783557).

Almost surely, 2^690059204 is an apocalyptic number.

It is an amenable number.

690059204 is a deficient number, since it is larger than the sum of its proper divisors (519343480).

690059204 is a wasteful number, since it uses less digits than its factorization.

690059204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257014 (or 257012 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 690059204 is about 26268.9779778354. The cubic root of 690059204 is about 883.6808649213.

The spelling of 690059204 in words is "six hundred ninety million, fifty-nine thousand, two hundred four".