30660884 has 12 divisors (see below), whose sum is σ = 54566400. Its totient is φ = 15070488.

The previous prime is 30660881. The next prime is 30660887. The reversal of 30660884 is 48806603.

It is an interprime number because it is at equal distance from previous prime (30660881) and next prime (30660887).

It is a super-2 number, since 2×30660884² = 1880179615322912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660881) 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 3 ways as a sum of consecutive naturals, for example, 64724 + ... + 65195.

It is an arithmetic number, because the mean of its divisors is an integer number (4547200).

Almost surely, 2^30660884 is an apocalyptic number.

It is an amenable number.

30660884 is a deficient number, since it is larger than the sum of its proper divisors (23905516).

30660884 is a wasteful number, since it uses less digits than its factorization.

30660884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129982 (or 129980 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 30660884 is about 5537.2271038851. The cubic root of 30660884 is about 312.9883870523.

The spelling of 30660884 in words is "thirty million, six hundred sixty thousand, eight hundred eighty-four".