30940976 has 80 divisors (see below), whose sum is σ = 69424128. Its totient is φ = 13228800.

The previous prime is 30940933. The next prime is 30941011. The reversal of 30940976 is 67904903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289115 + ... + 289221.

Almost surely, 2^30940976 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 30940976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34712064).

30940976 is an abundant number, since it is smaller than the sum of its proper divisors (38483152).

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

30940976 is a wasteful number, since it uses less digits than its factorization.

30940976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 30940976 is about 5562.4613257083. The cubic root of 30940976 is about 313.9385656110.

The spelling of 30940976 in words is "thirty million, nine hundred forty thousand, nine hundred seventy-six".