18374982 has 8 divisors (see below), whose sum is σ = 36749976. Its totient is φ = 6124992.

The previous prime is 18374981. The next prime is 18374987. The reversal of 18374982 is 28947381.

It is a sphenic number, since it is the product of 3 distinct primes.

18374982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18374981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531243 + ... + 1531254.

It is an arithmetic number, because the mean of its divisors is an integer number (4593747).

Almost surely, 2^18374982 is an apocalyptic number.

18374982 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.

18374982 is a wasteful number, since it uses less digits than its factorization.

18374982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062502.

The product of its digits is 96768, while the sum is 42.

The square root of 18374982 is about 4286.6049503074. The cubic root of 18374982 is about 263.8815182298.

The spelling of 18374982 in words is "eighteen million, three hundred seventy-four thousand, nine hundred eighty-two".