30914688 has 192 divisors, whose sum is σ = 100465920. Its totient is φ = 8386560.

The previous prime is 30914677. The next prime is 30914693. The reversal of 30914688 is 88641903.

It is a tau number, because it is divible by the number of its divisors (192).

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, 583270 + ... + 583322.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

Almost surely, 2^30914688 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 30914688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50232960).

30914688 is an abundant number, since it is smaller than the sum of its proper divisors (69551232).

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

30914688 is a wasteful number, since it uses less digits than its factorization.

30914688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 30914688 is about 5560.0978408658. The cubic root of 30914688 is about 313.8496311684.

The spelling of 30914688 in words is "thirty million, nine hundred fourteen thousand, six hundred eighty-eight".