18414464 has 32 divisors (see below), whose sum is σ = 36885240. Its totient is φ = 9157120.

The previous prime is 18414433. The next prime is 18414491. The reversal of 18414464 is 46441481.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 18414464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37259 + ... + 37749.

Almost surely, 2^18414464 is an apocalyptic number.

It is an amenable number.

18414464 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

18414464 is an equidigital number, since it uses as much as digits as its factorization.

18414464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 786 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 18414464 is about 4291.2077553994. The cubic root of 18414464 is about 264.0703822140.

The spelling of 18414464 in words is "eighteen million, four hundred fourteen thousand, four hundred sixty-four".