30942392 has 16 divisors (see below), whose sum is σ = 62480040. Its totient is φ = 14281056.

The previous prime is 30942361. The next prime is 30942419. The reversal of 30942392 is 29324903.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 148658 + ... + 148865.

Almost surely, 2^30942392 is an apocalyptic number.

It is an amenable number.

30942392 is an abundant number, since it is smaller than the sum of its proper divisors (31537648).

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

30942392 is a wasteful number, since it uses less digits than its factorization.

30942392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297542 (or 297538 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30942392 is about 5562.5886060359. The cubic root of 30942392 is about 313.9433546242.

The spelling of 30942392 in words is "thirty million, nine hundred forty-two thousand, three hundred ninety-two".