18411344 has 20 divisors (see below), whose sum is σ = 40768224. Its totient is φ = 7890528.

The previous prime is 18411343. The next prime is 18411347. The reversal of 18411344 is 44311481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18411343) 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, 82082 + ... + 82305.

Almost surely, 2^18411344 is an apocalyptic number.

18411344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18411344 is an abundant number, since it is smaller than the sum of its proper divisors (22356880).

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

18411344 is a wasteful number, since it uses less digits than its factorization.

18411344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164402 (or 164396 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 18411344 is about 4290.8442059809. The cubic root of 18411344 is about 264.0554673780.

The spelling of 18411344 in words is "eighteen million, four hundred eleven thousand, three hundred forty-four".