28868982 has 16 divisors (see below), whose sum is σ = 58685232. Its totient is φ = 9465120.

The previous prime is 28868963. The next prime is 28868989. The reversal of 28868982 is 28986882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28868989) 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, 39073 + ... + 39804.

It is an arithmetic number, because the mean of its divisors is an integer number (3667827).

Almost surely, 2^28868982 is an apocalyptic number.

28868982 is an abundant number, since it is smaller than the sum of its proper divisors (29816250).

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

28868982 is a wasteful number, since it uses less digits than its factorization.

28868982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78943.

The product of its digits is 884736, while the sum is 51.

The square root of 28868982 is about 5372.9863204739. The cubic root of 28868982 is about 306.7683072561.

The spelling of 28868982 in words is "twenty-eight million, eight hundred sixty-eight thousand, nine hundred eighty-two".