30801864 has 32 divisors (see below), whose sum is σ = 77159520. Its totient is φ = 10246656.

The previous prime is 30801829. The next prime is 30801877. The reversal of 30801864 is 46810803.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15199 + ... + 17105.

It is an arithmetic number, because the mean of its divisors is an integer number (2411235).

Almost surely, 2^30801864 is an apocalyptic number.

It is an amenable number.

30801864 is an abundant number, since it is smaller than the sum of its proper divisors (46357656).

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

30801864 is a wasteful number, since it uses less digits than its factorization.

30801864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 30801864 is about 5549.9427024069. The cubic root of 30801864 is about 313.4673648204.

The spelling of 30801864 in words is "thirty million, eight hundred one thousand, eight hundred sixty-four".