18396248 has 16 divisors (see below), whose sum is σ = 37146480. Its totient is φ = 8490528.

The previous prime is 18396239. The next prime is 18396263. The reversal of 18396248 is 84269381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88340 + ... + 88547.

It is an arithmetic number, because the mean of its divisors is an integer number (2321655).

Almost surely, 2^18396248 is an apocalyptic number.

It is an amenable number.

18396248 is an abundant number, since it is smaller than the sum of its proper divisors (18750232).

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

18396248 is a wasteful number, since it uses less digits than its factorization.

18396248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176906 (or 176902 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 18396248 is about 4289.0847508530. The cubic root of 18396248 is about 263.9832787083.

The spelling of 18396248 in words is "eighteen million, three hundred ninety-six thousand, two hundred forty-eight".