30904252 has 6 divisors (see below), whose sum is σ = 54082448. Its totient is φ = 15452124.

The previous prime is 30904199. The next prime is 30904253. The reversal of 30904252 is 25240903.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30904253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3863028 + ... + 3863035.

Almost surely, 2^30904252 is an apocalyptic number.

It is an amenable number.

30904252 is a deficient number, since it is larger than the sum of its proper divisors (23178196).

30904252 is a wasteful number, since it uses less digits than its factorization.

30904252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726067 (or 7726065 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30904252 is about 5559.1592889573. The cubic root of 30904252 is about 313.8143113513.

The spelling of 30904252 in words is "thirty million, nine hundred four thousand, two hundred fifty-two".