18313324 has 12 divisors (see below), whose sum is σ = 32124400. Its totient is φ = 9134928.

The previous prime is 18313307. The next prime is 18313327. The reversal of 18313324 is 42331381.

It is not an unprimeable number, because it can be changed into a prime (18313327) 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, 3459 + ... + 6970.

Almost surely, 2^18313324 is an apocalyptic number.

It is an amenable number.

18313324 is a deficient number, since it is larger than the sum of its proper divisors (13811076).

18313324 is a wasteful number, since it uses less digits than its factorization.

18313324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10872 (or 10870 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 18313324 is about 4279.4069682609. The cubic root of 18313324 is about 263.5860324197.

The spelling of 18313324 in words is "eighteen million, three hundred thirteen thousand, three hundred twenty-four".