30839492 has 12 divisors (see below), whose sum is σ = 54124476. Its totient is φ = 15375360.

The previous prime is 30839491. The next prime is 30839521. The reversal of 30839492 is 29493803.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 27206656 = 1906^2 + 5216^2 .

It is not an unprimeable number, because it can be changed into a prime (30839491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (4510373).

Almost surely, 2^30839492 is an apocalyptic number.

It is an amenable number.

30839492 is a deficient number, since it is larger than the sum of its proper divisors (23284984).

30839492 is a wasteful number, since it uses less digits than its factorization.

30839492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22198 (or 22196 counting only the distinct ones).

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

The square root of 30839492 is about 5553.3316126448. The cubic root of 30839492 is about 313.5949582913.

The spelling of 30839492 in words is "thirty million, eight hundred thirty-nine thousand, four hundred ninety-two".