30884412 has 72 divisors (see below), whose sum is σ = 79340016. Its totient is φ = 9345024.

The previous prime is 30884407. The next prime is 30884431. The reversal of 30884412 is 21448803.

It is a self number, because there is not a number n which added to its sum of digits gives 30884412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196638 + ... + 196794.

Almost surely, 2^30884412 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 30884412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39670008).

30884412 is an abundant number, since it is smaller than the sum of its proper divisors (48455604).

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

30884412 is a wasteful number, since it uses less digits than its factorization.

30884412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 30884412 is about 5557.3745599878. The cubic root of 30884412 is about 313.7471425061.

The spelling of 30884412 in words is "thirty million, eight hundred eighty-four thousand, four hundred twelve".