30938080 has 48 divisors (see below), whose sum is σ = 76945680. Its totient is φ = 11722752.

The previous prime is 30938071. The next prime is 30938081. The reversal of 30938080 is 8083903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30938081) by changing a digit.

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, 2049 + ... + 8128.

It is an arithmetic number, because the mean of its divisors is an integer number (1603035).

Almost surely, 2^30938080 is an apocalyptic number.

It is an amenable number.

30938080 is an abundant number, since it is smaller than the sum of its proper divisors (46007600).

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

30938080 is a wasteful number, since it uses less digits than its factorization.

30938080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211 (or 10203 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30938080 is about 5562.2010032001. The cubic root of 30938080 is about 313.9287706770.

The spelling of 30938080 in words is "thirty million, nine hundred thirty-eight thousand, eighty".