30938124 has 72 divisors (see below), whose sum is σ = 85951488. Its totient is φ = 8475840.

The previous prime is 30938111. The next prime is 30938153. The reversal of 30938124 is 42183903.

It is a junction number, because it is equal to n+sod(n) for n = 30938091 and 30938100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283782 + ... + 283890.

Almost surely, 2^30938124 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 30938124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42975744).

30938124 is an abundant number, since it is smaller than the sum of its proper divisors (55013364).

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

30938124 is a wasteful number, since it uses less digits than its factorization.

30938124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30938124 is about 5562.2049584675. The cubic root of 30938124 is about 313.9289194997.

The spelling of 30938124 in words is "thirty million, nine hundred thirty-eight thousand, one hundred twenty-four".