30994648 has 16 divisors (see below), whose sum is σ = 58410000. Its totient is φ = 15418656.

The previous prime is 30994631. The next prime is 30994673. The reversal of 30994648 is 84649903.

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 3 ways as a sum of consecutive naturals, for example, 8143 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (3650625).

Almost surely, 2^30994648 is an apocalyptic number.

It is an amenable number.

30994648 is a deficient number, since it is larger than the sum of its proper divisors (27415352).

30994648 is a wasteful number, since it uses less digits than its factorization.

30994648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19674 (or 19670 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 30994648 is about 5567.2837182957. The cubic root of 30994648 is about 314.1199860597.

The spelling of 30994648 in words is "thirty million, nine hundred ninety-four thousand, six hundred forty-eight".