28983018 has 32 divisors (see below), whose sum is σ = 61669440. Its totient is φ = 9054720.

The previous prime is 28983001. The next prime is 28983041. The reversal of 28983018 is 81038982.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9748 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170).

Almost surely, 2^28983018 is an apocalyptic number.

28983018 is an abundant number, since it is smaller than the sum of its proper divisors (32686422).

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

28983018 is a wasteful number, since it uses less digits than its factorization.

28983018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 28983018 is about 5383.5878371213. The cubic root of 28983018 is about 307.1717006470.

The spelling of 28983018 in words is "twenty-eight million, nine hundred eighty-three thousand, eighteen".