30297882 has 16 divisors (see below), whose sum is σ = 61074432. Its totient is φ = 10019520.

The previous prime is 30297871. The next prime is 30297889. The reversal of 30297882 is 28879203.

It is a self number, because there is not a number n which added to its sum of digits gives 30297882.

It is not an unprimeable number, because it can be changed into a prime (30297889) 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, 19119 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (3817152).

Almost surely, 2^30297882 is an apocalyptic number.

30297882 is an abundant number, since it is smaller than the sum of its proper divisors (30776550).

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

30297882 is a wasteful number, since it uses less digits than its factorization.

30297882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39893.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 30297882 is about 5504.3511879240. The cubic root of 30297882 is about 311.7482971603.

The spelling of 30297882 in words is "thirty million, two hundred ninety-seven thousand, eight hundred eighty-two".