689060904 has 64 divisors (see below), whose sum is σ = 1970749440. Its totient is φ = 196674240.

The previous prime is 689060899. The next prime is 689060921. The reversal of 689060904 is 409060986.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264649 + ... + 267239.

It is an arithmetic number, because the mean of its divisors is an integer number (30792960).

Almost surely, 2^689060904 is an apocalyptic number.

It is an amenable number.

689060904 is an abundant number, since it is smaller than the sum of its proper divisors (1281688536).

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

689060904 is a wasteful number, since it uses less digits than its factorization.

689060904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 689060904 is about 26249.9695999824. The cubic root of 689060904 is about 883.2545225839.

The spelling of 689060904 in words is "six hundred eighty-nine million, sixty thousand, nine hundred four".