30948884 has 12 divisors (see below), whose sum is σ = 54587904. Its totient is φ = 15352344.

The previous prime is 30948871. The next prime is 30948893. The reversal of 30948884 is 48884903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29954 + ... + 30969.

It is an arithmetic number, because the mean of its divisors is an integer number (4548992).

Almost surely, 2^30948884 is an apocalyptic number.

It is an amenable number.

30948884 is a deficient number, since it is larger than the sum of its proper divisors (23639020).

30948884 is a wasteful number, since it uses less digits than its factorization.

30948884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61054 (or 61052 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 30948884 is about 5563.1721166975. The cubic root of 30948884 is about 313.9653091619.

The spelling of 30948884 in words is "thirty million, nine hundred forty-eight thousand, eight hundred eighty-four".