30986694 has 24 divisors (see below), whose sum is σ = 67496832. Its totient is φ = 10273680.

The previous prime is 30986689. The next prime is 30986717. The reversal of 30986694 is 49668903.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1069 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (2812368).

Almost surely, 2^30986694 is an apocalyptic number.

30986694 is an abundant number, since it is smaller than the sum of its proper divisors (36510138).

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

30986694 is a wasteful number, since it uses less digits than its factorization.

30986694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212 (or 9209 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 30986694 is about 5566.5693205061. The cubic root of 30986694 is about 314.0931134189.

The spelling of 30986694 in words is "thirty million, nine hundred eighty-six thousand, six hundred ninety-four".