18468336 has 20 divisors (see below), whose sum is σ = 47709992. Its totient is φ = 6156096.

The previous prime is 18468319. The next prime is 18468337. The reversal of 18468336 is 63386481.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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 = 18468294 and 18468303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18468337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192331 + ... + 192426.

Almost surely, 2^18468336 is an apocalyptic number.

18468336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18468336 is an abundant number, since it is smaller than the sum of its proper divisors (29241656).

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

18468336 is a wasteful number, since it uses less digits than its factorization.

18468336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384768 (or 384762 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 18468336 is about 4297.4801919264. The cubic root of 18468336 is about 264.3276464545.

The spelling of 18468336 in words is "eighteen million, four hundred sixty-eight thousand, three hundred thirty-six".