30828860 has 24 divisors (see below), whose sum is σ = 64997856. Its totient is φ = 12282560.

The previous prime is 30828859. The next prime is 30828877. The reversal of 30828860 is 6882803.

It is a self number, because there is not a number n which added to its sum of digits gives 30828860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (2708244).

Almost surely, 2^30828860 is an apocalyptic number.

It is an amenable number.

30828860 is an abundant number, since it is smaller than the sum of its proper divisors (34168996).

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

30828860 is a wasteful number, since it uses less digits than its factorization.

30828860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133 (or 6131 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 30828860 is about 5552.3742669240. The cubic root of 30828860 is about 313.5589165733.

The spelling of 30828860 in words is "thirty million, eight hundred twenty-eight thousand, eight hundred sixty".