30986896 has 20 divisors (see below), whose sum is σ = 60228784. Its totient is φ = 15444000.

The previous prime is 30986873. The next prime is 30986899. The reversal of 30986896 is 69868903.

It is not an unprimeable number, because it can be changed into a prime (30986899) by changing a digit.

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, 2371 + ... + 8221.

Almost surely, 2^30986896 is an apocalyptic number.

It is an amenable number.

30986896 is a deficient number, since it is larger than the sum of its proper divisors (29241888).

30986896 is a wasteful number, since it uses less digits than its factorization.

30986896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190 (or 6184 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 30986896 is about 5566.5874645064. The cubic root of 30986896 is about 314.0937959341.

The spelling of 30986896 in words is "thirty million, nine hundred eighty-six thousand, eight hundred ninety-six".