18944802 has 12 divisors (see below), whose sum is σ = 41047110. Its totient is φ = 6314928.

The previous prime is 18944791. The next prime is 18944803. The reversal of 18944802 is 20844981.

It can be written as a sum of positive squares in only one way, i.e., 17065161 + 1879641 = 4131^2 + 1371^2 .

It is not an unprimeable number, because it can be changed into a prime (18944803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526227 + ... + 526262.

Almost surely, 2^18944802 is an apocalyptic number.

18944802 is an abundant number, since it is smaller than the sum of its proper divisors (22102308).

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

18944802 is a wasteful number, since it uses less digits than its factorization.

18944802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052497 (or 1052494 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 18944802 is about 4352.5626934026. The cubic root of 18944802 is about 266.5815099619.

The spelling of 18944802 in words is "eighteen million, nine hundred forty-four thousand, eight hundred two".