18095490 has 48 divisors (see below), whose sum is σ = 53771328. Its totient is φ = 4135968.

The previous prime is 18095489. The next prime is 18095513. The reversal of 18095490 is 9459081.

18095490 is a `hidden beast` number, since 1 + 80 + 95 + 490 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13732 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (1120236).

Almost surely, 2^18095490 is an apocalyptic number.

18095490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18095490 is an abundant number, since it is smaller than the sum of its proper divisors (35675838).

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

18095490 is a wasteful number, since it uses less digits than its factorization.

18095490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28743 (or 28740 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 18095490 is about 4253.8794059070. The cubic root of 18095490 is about 262.5367567576.

The spelling of 18095490 in words is "eighteen million, ninety-five thousand, four hundred ninety".