30873864 has 64 divisors (see below), whose sum is σ = 91267200. Its totient is φ = 8515584.

The previous prime is 30873859. The next prime is 30873883. The reversal of 30873864 is 46837803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704 + ... + 8040.

It is an arithmetic number, because the mean of its divisors is an integer number (1426050).

Almost surely, 2^30873864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30873864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45633600).

30873864 is an abundant number, since it is smaller than the sum of its proper divisors (60393336).

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

30873864 is a wasteful number, since it uses less digits than its factorization.

30873864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382 (or 6378 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 30873864 is about 5556.4254696702. The cubic root of 30873864 is about 313.7114202601.

The spelling of 30873864 in words is "thirty million, eight hundred seventy-three thousand, eight hundred sixty-four".