30168886 has 16 divisors (see below), whose sum is σ = 50516928. Its totient is φ = 13393800.

The previous prime is 30168881. The next prime is 30168913. The reversal of 30168886 is 68886103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30168881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15000 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (3157308).

Almost surely, 2^30168886 is an apocalyptic number.

30168886 is a deficient number, since it is larger than the sum of its proper divisors (20348042).

30168886 is a wasteful number, since it uses less digits than its factorization.

30168886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31947.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 30168886 is about 5492.6210500999. The cubic root of 30168886 is about 311.3052354889.

The spelling of 30168886 in words is "thirty million, one hundred sixty-eight thousand, eight hundred eighty-six".