18957084 has 24 divisors (see below), whose sum is σ = 44448768. Its totient is φ = 6288240.

The previous prime is 18957073. The next prime is 18957119. The reversal of 18957084 is 48075981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212 + ... + 6275.

It is an arithmetic number, because the mean of its divisors is an integer number (1852032).

Almost surely, 2^18957084 is an apocalyptic number.

It is an amenable number.

18957084 is an abundant number, since it is smaller than the sum of its proper divisors (25491684).

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

18957084 is a wasteful number, since it uses less digits than its factorization.

18957084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705 (or 7703 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 18957084 is about 4353.9733577504. The cubic root of 18957084 is about 266.6391061794.

The spelling of 18957084 in words is "eighteen million, nine hundred fifty-seven thousand, eighty-four".