689372004 has 24 divisors (see below), whose sum is σ = 1610881888. Its totient is φ = 229455360.

The previous prime is 689371999. The next prime is 689372023. The reversal of 689372004 is 400273986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33277 + ... + 49860.

Almost surely, 2^689372004 is an apocalyptic number.

It is an amenable number.

689372004 is an abundant number, since it is smaller than the sum of its proper divisors (921509884).

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

689372004 is a wasteful number, since it uses less digits than its factorization.

689372004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83835 (or 83833 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 689372004 is about 26255.8946524395. The cubic root of 689372004 is about 883.3874276908.

The spelling of 689372004 in words is "six hundred eighty-nine million, three hundred seventy-two thousand, four".