18248336 has 20 divisors (see below), whose sum is σ = 36497664. Its totient is φ = 8829600.

The previous prime is 18248317. The next prime is 18248357. The reversal of 18248336 is 63384281.

It is a happy number.

18248336 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18248296 and 18248305.

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, 17900 + ... + 18891.

Almost surely, 2^18248336 is an apocalyptic number.

18248336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18248336 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18248336 is a wasteful number, since it uses less digits than its factorization.

18248336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36830 (or 36824 counting only the distinct ones).

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

The square root of 18248336 is about 4271.8071117502. The cubic root of 18248336 is about 263.2738693200.

The spelling of 18248336 in words is "eighteen million, two hundred forty-eight thousand, three hundred thirty-six".