30828708 has 24 divisors (see below), whose sum is σ = 79926560. Its totient is φ = 10276200.

The previous prime is 30828683. The next prime is 30828709. The reversal of 30828708 is 80782803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30828709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142618 + ... + 142833.

Almost surely, 2^30828708 is an apocalyptic number.

It is an amenable number.

30828708 is an abundant number, since it is smaller than the sum of its proper divisors (49097852).

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

30828708 is a wasteful number, since it uses less digits than its factorization.

30828708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285464 (or 285456 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 30828708 is about 5552.3605790691. The cubic root of 30828708 is about 313.5584012441.

The spelling of 30828708 in words is "thirty million, eight hundred twenty-eight thousand, seven hundred eight".