30538986 has 32 divisors (see below), whose sum is σ = 65467008. Its totient is φ = 9472320.

The previous prime is 30538967. The next prime is 30538997. The reversal of 30538986 is 68983503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116 + ... + 8096.

It is an arithmetic number, because the mean of its divisors is an integer number (2045844).

Almost surely, 2^30538986 is an apocalyptic number.

30538986 is an abundant number, since it is smaller than the sum of its proper divisors (34928022).

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

30538986 is a wasteful number, since it uses less digits than its factorization.

30538986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 30538986 is about 5526.2090079909. The cubic root of 30538986 is about 312.5730551334.

The spelling of 30538986 in words is "thirty million, five hundred thirty-eight thousand, nine hundred eighty-six".