18313914 has 16 divisors (see below), whose sum is σ = 37175328. Its totient is φ = 6013392.

The previous prime is 18313907. The next prime is 18313949. The reversal of 18313914 is 41931381.

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, 22377 + ... + 23180.

It is an arithmetic number, because the mean of its divisors is an integer number (2323458).

Almost surely, 2^18313914 is an apocalyptic number.

18313914 is an abundant number, since it is smaller than the sum of its proper divisors (18861414).

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

18313914 is a wasteful number, since it uses less digits than its factorization.

18313914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45629.

The product of its digits is 2592, while the sum is 30.

The square root of 18313914 is about 4279.4759024909. The cubic root of 18313914 is about 263.5888630380.

The spelling of 18313914 in words is "eighteen million, three hundred thirteen thousand, nine hundred fourteen".