30668394 has 24 divisors (see below), whose sum is σ = 64739520. Its totient is φ = 9684072.

The previous prime is 30668389. The next prime is 30668401. The reversal of 30668394 is 49386603.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4914 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (2697480).

Almost surely, 2^30668394 is an apocalyptic number.

30668394 is an abundant number, since it is smaller than the sum of its proper divisors (34071126).

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

30668394 is a wasteful number, since it uses less digits than its factorization.

30668394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202 (or 14183 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 30668394 is about 5537.9051996220. The cubic root of 30668394 is about 313.0139391629.

The spelling of 30668394 in words is "thirty million, six hundred sixty-eight thousand, three hundred ninety-four".