18264830 has 16 divisors (see below), whose sum is σ = 32925744. Its totient is φ = 7295040.

The previous prime is 18264823. The next prime is 18264853. The reversal of 18264830 is 3846281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11165 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (2057859).

Almost surely, 2^18264830 is an apocalyptic number.

18264830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18264830 is a deficient number, since it is larger than the sum of its proper divisors (14660914).

18264830 is a wasteful number, since it uses less digits than its factorization.

18264830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18264830 is about 4273.7372404021. The cubic root of 18264830 is about 263.3531666238.

The spelling of 18264830 in words is "eighteen million, two hundred sixty-four thousand, eight hundred thirty".