18873652 has 12 divisors (see below), whose sum is σ = 37747360. Its totient is φ = 8088696.

The previous prime is 18873629. The next prime is 18873661. The reversal of 18873652 is 25637881.

18873652 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 337002 + ... + 337057.

Almost surely, 2^18873652 is an apocalyptic number.

It is an amenable number.

18873652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18873652 is a wasteful number, since it uses less digits than its factorization.

18873652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674070 (or 674068 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 18873652 is about 4344.3816591087. The cubic root of 18873652 is about 266.2473625636.

The spelling of 18873652 in words is "eighteen million, eight hundred seventy-three thousand, six hundred fifty-two".