30884372 has 12 divisors (see below), whose sum is σ = 55067796. Its totient is φ = 15150720.

The previous prime is 30884351. The next prime is 30884389. The reversal of 30884372 is 27348803.

It can be written as a sum of positive squares in 2 ways, for example, as 8737936 + 22146436 = 2956^2 + 4706^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 72629 + ... + 73052.

It is an arithmetic number, because the mean of its divisors is an integer number (4588983).

Almost surely, 2^30884372 is an apocalyptic number.

It is an amenable number.

30884372 is a deficient number, since it is larger than the sum of its proper divisors (24183424).

30884372 is a wasteful number, since it uses less digits than its factorization.

30884372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145738 (or 145736 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 30884372 is about 5557.3709611650. The cubic root of 30884372 is about 313.7470070560.

The spelling of 30884372 in words is "thirty million, eight hundred eighty-four thousand, three hundred seventy-two".