30935668 has 12 divisors (see below), whose sum is σ = 54312580. Its totient is φ = 15417792.

The previous prime is 30935659. The next prime is 30935669. The reversal of 30935668 is 86653903.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 23251684 = 2772^2 + 4822^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30935668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30935669) 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, 11103 + ... + 13606.

Almost surely, 2^30935668 is an apocalyptic number.

It is an amenable number.

30935668 is a deficient number, since it is larger than the sum of its proper divisors (23376912).

30935668 is a wasteful number, since it uses less digits than its factorization.

30935668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026 (or 25024 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 30935668 is about 5561.9841783306. The cubic root of 30935668 is about 313.9206122751.

The spelling of 30935668 in words is "thirty million, nine hundred thirty-five thousand, six hundred sixty-eight".