30824980 has 48 divisors (see below), whose sum is σ = 67281984. Its totient is φ = 11854080.

The previous prime is 30824977. The next prime is 30825001. The reversal of 30824980 is 8942803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62535 + ... + 63025.

It is an arithmetic number, because the mean of its divisors is an integer number (1401708).

Almost surely, 2^30824980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30824980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33640992).

30824980 is an abundant number, since it is smaller than the sum of its proper divisors (36457004).

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

30824980 is a wasteful number, since it uses less digits than its factorization.

30824980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 30824980 is about 5552.0248558521. The cubic root of 30824980 is about 313.5457615876.

The spelling of 30824980 in words is "thirty million, eight hundred twenty-four thousand, nine hundred eighty".