18090848 has 24 divisors (see below), whose sum is σ = 35938728. Its totient is φ = 8963584.

The previous prime is 18090847. The next prime is 18090851. The reversal of 18090848 is 84809081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18090841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (1497447).

Almost surely, 2^18090848 is an apocalyptic number.

It is an amenable number.

18090848 is a deficient number, since it is larger than the sum of its proper divisors (17847880).

18090848 is a wasteful number, since it uses less digits than its factorization.

18090848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 18090848 is about 4253.3337513061. Note that the first 3 decimals coincide. The cubic root of 18090848 is about 262.5143054940.

The spelling of 18090848 in words is "eighteen million, ninety thousand, eight hundred forty-eight".