18933342 has 16 divisors (see below), whose sum is σ = 40094352. Its totient is φ = 5939840.

The previous prime is 18933337. The next prime is 18933391. The reversal of 18933342 is 24333981.

It is a happy number.

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, 92709 + ... + 92912.

It is an arithmetic number, because the mean of its divisors is an integer number (2505897).

Almost surely, 2^18933342 is an apocalyptic number.

18933342 is an abundant number, since it is smaller than the sum of its proper divisors (21161010).

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

18933342 is a wasteful number, since it uses less digits than its factorization.

18933342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185643.

The product of its digits is 15552, while the sum is 33.

The square root of 18933342 is about 4351.2460284383. The cubic root of 18933342 is about 266.5277460443.

The spelling of 18933342 in words is "eighteen million, nine hundred thirty-three thousand, three hundred forty-two".