30086188 has 12 divisors (see below), whose sum is σ = 57437352. Its totient is φ = 13675520.

The previous prime is 30086171. The next prime is 30086201. The reversal of 30086188 is 88168003.

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, 341845 + ... + 341932.

It is an arithmetic number, because the mean of its divisors is an integer number (4786446).

Almost surely, 2^30086188 is an apocalyptic number.

It is an amenable number.

30086188 is a deficient number, since it is larger than the sum of its proper divisors (27351164).

30086188 is a wasteful number, since it uses less digits than its factorization.

30086188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683792 (or 683790 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 30086188 is about 5485.0877841654. The cubic root of 30086188 is about 311.0205284851.

The spelling of 30086188 in words is "thirty million, eighty-six thousand, one hundred eighty-eight".