654680904 has 32 divisors (see below), whose sum is σ = 1637329920. Its totient is φ = 218143296.

The previous prime is 654680899. The next prime is 654680921. The reversal of 654680904 is 409086456.

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, 116217 + ... + 121719.

It is an arithmetic number, because the mean of its divisors is an integer number (51166560).

Almost surely, 2^654680904 is an apocalyptic number.

It is an amenable number.

654680904 is an abundant number, since it is smaller than the sum of its proper divisors (982649016).

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

654680904 is a wasteful number, since it uses less digits than its factorization.

654680904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469 (or 10465 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 654680904 is about 25586.7329684741. The cubic root of 654680904 is about 868.3135091826.

The spelling of 654680904 in words is "six hundred fifty-four million, six hundred eighty thousand, nine hundred four".