30880894 has 12 divisors (see below), whose sum is σ = 50915592. Its totient is φ = 14036660.

The previous prime is 30880877. The next prime is 30880919. The reversal of 30880894 is 49808803.

It is a super-2 number, since 2×30880894² = 1907259228478472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63562 + ... + 64045.

It is an arithmetic number, because the mean of its divisors is an integer number (4242966).

Almost surely, 2^30880894 is an apocalyptic number.

30880894 is a deficient number, since it is larger than the sum of its proper divisors (20034698).

30880894 is a wasteful number, since it uses less digits than its factorization.

30880894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127631 (or 127620 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 30880894 is about 5557.0580346079. The cubic root of 30880894 is about 313.7352292216.

The spelling of 30880894 in words is "thirty million, eight hundred eighty thousand, eight hundred ninety-four".