30866864 has 30 divisors (see below), whose sum is σ = 69570324. Its totient is φ = 13228320.

The previous prime is 30866863. The next prime is 30866867. The reversal of 30866864 is 46866803.

It is not an unprimeable number, because it can be changed into a prime (30866863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18902 + ... + 20469.

Almost surely, 2^30866864 is an apocalyptic number.

It is an amenable number.

30866864 is an abundant number, since it is smaller than the sum of its proper divisors (38703460).

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

30866864 is a wasteful number, since it uses less digits than its factorization.

30866864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39393 (or 39380 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 30866864 is about 5555.7955325948. The cubic root of 30866864 is about 313.6877093102.

The spelling of 30866864 in words is "thirty million, eight hundred sixty-six thousand, eight hundred sixty-four".