18048790 has 32 divisors (see below), whose sum is σ = 34292160. Its totient is φ = 6825984.

The previous prime is 18048769. The next prime is 18048809. The reversal of 18048790 is 9784081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21906 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (1071630).

Almost surely, 2^18048790 is an apocalyptic number.

18048790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18048790 is a deficient number, since it is larger than the sum of its proper divisors (16243370).

18048790 is a wasteful number, since it uses less digits than its factorization.

18048790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18048790 is about 4248.3867526392. The cubic root of 18048790 is about 262.3107146376.

The spelling of 18048790 in words is "eighteen million, forty-eight thousand, seven hundred ninety".