18290852 has 12 divisors (see below), whose sum is σ = 32124876. Its totient is φ = 9112320.

The previous prime is 18290821. The next prime is 18290869. The reversal of 18290852 is 25809281.

It can be written as a sum of positive squares in 2 ways, for example, as 15555136 + 2735716 = 3944^2 + 1654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7013 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (2677073).

Almost surely, 2^18290852 is an apocalyptic number.

It is an amenable number.

18290852 is a deficient number, since it is larger than the sum of its proper divisors (13834024).

18290852 is a wasteful number, since it uses less digits than its factorization.

18290852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 18290852 is about 4276.7805648642. The cubic root of 18290852 is about 263.4781741599.

The spelling of 18290852 in words is "eighteen million, two hundred ninety thousand, eight hundred fifty-two".