18608090 has 16 divisors (see below), whose sum is σ = 33657120. Its totient is φ = 7407120.

The previous prime is 18608089. The next prime is 18608113. The reversal of 18608090 is 9080681.

It is a super-2 number, since 2×18608090² = 692522026896200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (2103570).

Almost surely, 2^18608090 is an apocalyptic number.

18608090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18608090 is a deficient number, since it is larger than the sum of its proper divisors (15049030).

18608090 is a wasteful number, since it uses less digits than its factorization.

18608090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9037.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 18608090 is about 4313.7095405231. The cubic root of 18608090 is about 264.9927136955.

The spelling of 18608090 in words is "eighteen million, six hundred eight thousand, ninety".