18466344 has 96 divisors (see below), whose sum is σ = 54654600. Its totient is φ = 5598720.

The previous prime is 18466337. The next prime is 18466361. The reversal of 18466344 is 44366481.

18466344 is a `hidden beast` number, since 18 + 4 + 6 + 634 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8468100 + 9998244 = 2910^2 + 3162^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 18466299 and 18466308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101934 + ... + 102114.

Almost surely, 2^18466344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18466344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27327300).

18466344 is an abundant number, since it is smaller than the sum of its proper divisors (36188256).

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

18466344 is a wasteful number, since it uses less digits than its factorization.

18466344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 308 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 18466344 is about 4297.2484219556. The cubic root of 18466344 is about 264.3181426277.

The spelling of 18466344 in words is "eighteen million, four hundred sixty-six thousand, three hundred forty-four".