908640868 has 24 divisors (see below), whose sum is σ = 1629572672. Its totient is φ = 443181024.

The previous prime is 908640853. The next prime is 908640877. The reversal of 908640868 is 868046809.

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, 11146 + ... + 44062.

Almost surely, 2^908640868 is an apocalyptic number.

It is an amenable number.

908640868 is a deficient number, since it is larger than the sum of its proper divisors (720931804).

908640868 is a wasteful number, since it uses less digits than its factorization.

908640868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33091 (or 33089 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 908640868 is about 30143.6704467124. The cubic root of 908640868 is about 968.5694248347.

The spelling of 908640868 in words is "nine hundred eight million, six hundred forty thousand, eight hundred sixty-eight".