28115082 has 24 divisors (see below), whose sum is σ = 61239204. Its totient is φ = 9321984.

The previous prime is 28115081. The next prime is 28115099. The reversal of 28115082 is 28051182.

It can be written as a sum of positive squares in 2 ways, for example, as 27342441 + 772641 = 5229^2 + 879^2 .

It is not an unprimeable number, because it can be changed into a prime (28115081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573 + ... + 7520.

Almost surely, 2^28115082 is an apocalyptic number.

28115082 is an abundant number, since it is smaller than the sum of its proper divisors (33124122).

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

28115082 is a wasteful number, since it uses less digits than its factorization.

28115082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294 (or 8291 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 28115082 is about 5302.3656984406. The cubic root of 28115082 is about 304.0743484474.

The spelling of 28115082 in words is "twenty-eight million, one hundred fifteen thousand, eighty-two".