30442956 has 24 divisors (see below), whose sum is σ = 71151024. Its totient is φ = 10130880.

The previous prime is 30442943. The next prime is 30442963. The reversal of 30442956 is 65924403.

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 7 ways as a sum of consecutive naturals, for example, 7066 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (2964626).

Almost surely, 2^30442956 is an apocalyptic number.

It is an amenable number.

30442956 is an abundant number, since it is smaller than the sum of its proper divisors (40708068).

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

30442956 is a wasteful number, since it uses less digits than its factorization.

30442956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201 (or 4199 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 30442956 is about 5517.5135704409. The cubic root of 30442956 is about 312.2450819236.

The spelling of 30442956 in words is "thirty million, four hundred forty-two thousand, nine hundred fifty-six".