30899664 has 40 divisors (see below), whose sum is σ = 88694720. Its totient is φ = 10299744.

The previous prime is 30899651. The next prime is 30899677. The reversal of 30899664 is 46699803.

It is an interprime number because it is at equal distance from previous prime (30899651) and next prime (30899677).

It is a congruent number.

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, 35332 + ... + 36195.

It is an arithmetic number, because the mean of its divisors is an integer number (2217368).

Almost surely, 2^30899664 is an apocalyptic number.

It is an amenable number.

30899664 is an abundant number, since it is smaller than the sum of its proper divisors (57795056).

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

30899664 is a wasteful number, since it uses less digits than its factorization.

30899664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71544 (or 71532 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 30899664 is about 5558.7466213167. The cubic root of 30899664 is about 313.7987811117.

The spelling of 30899664 in words is "thirty million, eight hundred ninety-nine thousand, six hundred sixty-four".