18374492 has 6 divisors (see below), whose sum is σ = 32155368. Its totient is φ = 9187244.

The previous prime is 18374491. The next prime is 18374527. The reversal of 18374492 is 29447381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18374491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2296808 + ... + 2296815.

It is an arithmetic number, because the mean of its divisors is an integer number (5359228).

Almost surely, 2^18374492 is an apocalyptic number.

It is an amenable number.

18374492 is a deficient number, since it is larger than the sum of its proper divisors (13780876).

18374492 is a wasteful number, since it uses less digits than its factorization.

18374492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593627 (or 4593625 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 18374492 is about 4286.5477951377. The cubic root of 18374492 is about 263.8791725931.

The spelling of 18374492 in words is "eighteen million, three hundred seventy-four thousand, four hundred ninety-two".