18376344 has 144 divisors (see below), whose sum is σ = 60624720. Its totient is φ = 4924800.

The previous prime is 18376339. The next prime is 18376361. The reversal of 18376344 is 44367381.

18376344 is a `hidden beast` number, since 18 + 3 + 7 + 634 + 4 = 666.

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 = 18376299 and 18376308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 181894 + ... + 181994.

It is an arithmetic number, because the mean of its divisors is an integer number (421005).

Almost surely, 2^18376344 is an apocalyptic number.

18376344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18376344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30312360).

18376344 is an abundant number, since it is smaller than the sum of its proper divisors (42248376).

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

18376344 is a wasteful number, since it uses less digits than its factorization.

18376344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 132 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 18376344 is about 4286.7638143476. The cubic root of 18376344 is about 263.8880379232. Note that the first 3 decimals are identical.

The spelling of 18376344 in words is "eighteen million, three hundred seventy-six thousand, three hundred forty-four".