30984272 has 20 divisors (see below), whose sum is σ = 65489856. Its totient is φ = 14083680.

The previous prime is 30984257. The next prime is 30984299. The reversal of 30984272 is 27248903.

It is a super-2 number, since 2×30984272² = 1920050222739968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87848 + ... + 88199.

Almost surely, 2^30984272 is an apocalyptic number.

It is an amenable number.

30984272 is an abundant number, since it is smaller than the sum of its proper divisors (34505584).

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

30984272 is a wasteful number, since it uses less digits than its factorization.

30984272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176066 (or 176060 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30984272 is about 5566.3517675404. The cubic root of 30984272 is about 314.0849297628.

The spelling of 30984272 in words is "thirty million, nine hundred eighty-four thousand, two hundred seventy-two".