18236848 has 20 divisors (see below), whose sum is σ = 40381840. Its totient is φ = 7815744.

The previous prime is 18236839. The next prime is 18236851. The reversal of 18236848 is 84863281.

It is a self number, because there is not a number n which added to its sum of digits gives 18236848.

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, 81303 + ... + 81526.

It is an arithmetic number, because the mean of its divisors is an integer number (2019092).

Almost surely, 2^18236848 is an apocalyptic number.

It is an amenable number.

18236848 is an abundant number, since it is smaller than the sum of its proper divisors (22144992).

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

18236848 is a wasteful number, since it uses less digits than its factorization.

18236848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162844 (or 162838 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 18236848 is about 4270.4622700593. The cubic root of 18236848 is about 263.2186108550.

The spelling of 18236848 in words is "eighteen million, two hundred thirty-six thousand, eight hundred forty-eight".