18484374 has 8 divisors (see below), whose sum is σ = 36968760. Its totient is φ = 6161456.

The previous prime is 18484373. The next prime is 18484379. The reversal of 18484374 is 47348481.

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

18484374 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18484373) 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, 1540359 + ... + 1540370.

It is an arithmetic number, because the mean of its divisors is an integer number (4621095).

Almost surely, 2^18484374 is an apocalyptic number.

18484374 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.

18484374 is a wasteful number, since it uses less digits than its factorization.

18484374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080734.

The product of its digits is 86016, while the sum is 39.

The square root of 18484374 is about 4299.3457641832. The cubic root of 18484374 is about 264.4041388223.

The spelling of 18484374 in words is "eighteen million, four hundred eighty-four thousand, three hundred seventy-four".