30969536 has 28 divisors (see below), whose sum is σ = 66184272. Its totient is φ = 14293248.

The previous prime is 30969509. The next prime is 30969551. The reversal of 30969536 is 63596903.

It is a super-2 number, since 2×30969536² = 1918224320110592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30969493 and 30969502.

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, 17780 + ... + 19443.

It is an arithmetic number, because the mean of its divisors is an integer number (2363724).

Almost surely, 2^30969536 is an apocalyptic number.

It is an amenable number.

30969536 is an abundant number, since it is smaller than the sum of its proper divisors (35214736).

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

30969536 is a wasteful number, since it uses less digits than its factorization.

30969536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37248 (or 37238 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 30969536 is about 5565.0279424276. The cubic root of 30969536 is about 314.0351293408.

The spelling of 30969536 in words is "thirty million, nine hundred sixty-nine thousand, five hundred thirty-six".