30834912 has 48 divisors (see below), whose sum is σ = 83138832. Its totient is φ = 9999360.

The previous prime is 30834899. The next prime is 30834931. The reversal of 30834912 is 21943803.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 30834912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 7892.

It is an arithmetic number, because the mean of its divisors is an integer number (1732059).

Almost surely, 2^30834912 is an apocalyptic number.

30834912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30834912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41569416).

30834912 is an abundant number, since it is smaller than the sum of its proper divisors (52303920).

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

30834912 is a wasteful number, since it uses less digits than its factorization.

30834912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731 (or 8723 counting only the distinct ones).

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

The square root of 30834912 is about 5552.9192322597. The cubic root of 30834912 is about 313.5794334353.

The spelling of 30834912 in words is "thirty million, eight hundred thirty-four thousand, nine hundred twelve".