30884156 has 12 divisors (see below), whose sum is σ = 54086760. Its totient is φ = 15430800.

The previous prime is 30884149. The next prime is 30884197. The reversal of 30884156 is 65148803.

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 3 ways as a sum of consecutive naturals, for example, 7706 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (4507230).

Almost surely, 2^30884156 is an apocalyptic number.

It is an amenable number.

30884156 is a deficient number, since it is larger than the sum of its proper divisors (23202604).

30884156 is a wasteful number, since it uses less digits than its factorization.

30884156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644 (or 5642 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 30884156 is about 5557.3515274814. The cubic root of 30884156 is about 313.7462756234.

The spelling of 30884156 in words is "thirty million, eight hundred eighty-four thousand, one hundred fifty-six".