30490892 has 12 divisors (see below), whose sum is σ = 53593680. Its totient is φ = 15178416.

The previous prime is 30490891. The next prime is 30490909. The reversal of 30490892 is 29809403.

It is not an unprimeable number, because it can be changed into a prime (30490891) 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, 15728 + ... + 17559.

It is an arithmetic number, because the mean of its divisors is an integer number (4466140).

Almost surely, 2^30490892 is an apocalyptic number.

It is an amenable number.

30490892 is a deficient number, since it is larger than the sum of its proper divisors (23102788).

30490892 is a wasteful number, since it uses less digits than its factorization.

30490892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33520 (or 33518 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 30490892 is about 5521.8558474484. The cubic root of 30490892 is about 312.4088847962.

The spelling of 30490892 in words is "thirty million, four hundred ninety thousand, eight hundred ninety-two".