30128802 has 32 divisors (see below), whose sum is σ = 66057984. Its totient is φ = 9085200.

The previous prime is 30128801. The next prime is 30128803. The reversal of 30128802 is 20882103.

It is an interprime number because it is at equal distance from previous prime (30128801) and next prime (30128803).

It is not an unprimeable number, because it can be changed into a prime (30128801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13977 + ... + 15987.

It is an arithmetic number, because the mean of its divisors is an integer number (2064312).

Almost surely, 2^30128802 is an apocalyptic number.

30128802 is an abundant number, since it is smaller than the sum of its proper divisors (35929182).

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

30128802 is a wasteful number, since it uses less digits than its factorization.

30128802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 30128802 is about 5488.9709418069. The cubic root of 30128802 is about 311.1673021049.

The spelling of 30128802 in words is "thirty million, one hundred twenty-eight thousand, eight hundred two".