18395364 has 48 divisors (see below), whose sum is σ = 47488448. Its totient is φ = 5505408.

The previous prime is 18395359. The next prime is 18395393. The reversal of 18395364 is 46359381.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4179 + ... + 7365.

Almost surely, 2^18395364 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 18395364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23744224).

18395364 is an abundant number, since it is smaller than the sum of its proper divisors (29093084).

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

18395364 is a wasteful number, since it uses less digits than its factorization.

18395364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3242 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 18395364 is about 4288.9816973263. The cubic root of 18395364 is about 263.9790502200.

The spelling of 18395364 in words is "eighteen million, three hundred ninety-five thousand, three hundred sixty-four".