18336248 has 16 divisors (see below), whose sum is σ = 39292080. Its totient is φ = 7858368.

The previous prime is 18336209. The next prime is 18336257. The reversal of 18336248 is 84263381.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 163661 + ... + 163772.

It is an arithmetic number, because the mean of its divisors is an integer number (2455755).

Almost surely, 2^18336248 is an apocalyptic number.

It is an amenable number.

18336248 is an abundant number, since it is smaller than the sum of its proper divisors (20955832).

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

18336248 is a wasteful number, since it uses less digits than its factorization.

18336248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327446 (or 327442 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 18336248 is about 4282.0845391001. The cubic root of 18336248 is about 263.6959692561.

The spelling of 18336248 in words is "eighteen million, three hundred thirty-six thousand, two hundred forty-eight".