30492938 has 16 divisors (see below), whose sum is σ = 53011584. Its totient is φ = 12883920.

The previous prime is 30492923. The next prime is 30492947. The reversal of 30492938 is 83929403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14345 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (3313224).

Almost surely, 2^30492938 is an apocalyptic number.

30492938 is a deficient number, since it is larger than the sum of its proper divisors (22518646).

30492938 is a wasteful number, since it uses less digits than its factorization.

30492938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30757.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 30492938 is about 5522.0411081411. The cubic root of 30492938 is about 312.4158723942.

The spelling of 30492938 in words is "thirty million, four hundred ninety-two thousand, nine hundred thirty-eight".