30696156 has 18 divisors (see below), whose sum is σ = 77593152. Its totient is φ = 10232040.

The previous prime is 30696151. The next prime is 30696157. The reversal of 30696156 is 65169603.

30696156 is a `hidden beast` number, since 30 + 6 + 9 + 615 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 852671 = 30696156 / (3 + 0 + 6 + 9 + 6 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 30696156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30696151) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 426300 + ... + 426371.

Almost surely, 2^30696156 is an apocalyptic number.

30696156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30696156 is an abundant number, since it is smaller than the sum of its proper divisors (46896996).

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

30696156 is a wasteful number, since it uses less digits than its factorization.

30696156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852681 (or 852676 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 30696156 is about 5540.4111760771. The cubic root of 30696156 is about 313.1083607160.

The spelling of 30696156 in words is "thirty million, six hundred ninety-six thousand, one hundred fifty-six".