30886630 has 16 divisors (see below), whose sum is σ = 56301120. Its totient is φ = 12197952.

The previous prime is 30886613. The next prime is 30886663. The reversal of 30886630 is 3668803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18759 + ... + 20338.

It is an arithmetic number, because the mean of its divisors is an integer number (3518820).

Almost surely, 2^30886630 is an apocalyptic number.

30886630 is a deficient number, since it is larger than the sum of its proper divisors (25414490).

30886630 is a wasteful number, since it uses less digits than its factorization.

30886630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39183.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 30886630 is about 5557.5741110668. The cubic root of 30886630 is about 313.7546530317.

The spelling of 30886630 in words is "thirty million, eight hundred eighty-six thousand, six hundred thirty".