18314464 has 24 divisors (see below), whose sum is σ = 41208048. Its totient is φ = 7848960.

The previous prime is 18314449. The next prime is 18314467. The reversal of 18314464 is 46441381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314467) 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, 40657 + ... + 41104.

It is an arithmetic number, because the mean of its divisors is an integer number (1717002).

Almost surely, 2^18314464 is an apocalyptic number.

18314464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18314464 is an abundant number, since it is smaller than the sum of its proper divisors (22893584).

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

18314464 is an equidigital number, since it uses as much as digits as its factorization.

18314464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81778 (or 81770 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 18314464 is about 4279.5401622137. The cubic root of 18314464 is about 263.5915016952.

The spelling of 18314464 in words is "eighteen million, three hundred fourteen thousand, four hundred sixty-four".