18324830 has 32 divisors (see below), whose sum is σ = 34062336. Its totient is φ = 7094304.

The previous prime is 18324829. The next prime is 18324851. The reversal of 18324830 is 3842381.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18324793 and 18324802.

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, 59537 + ... + 59843.

It is an arithmetic number, because the mean of its divisors is an integer number (1064448).

Almost surely, 2^18324830 is an apocalyptic number.

18324830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18324830 is a deficient number, since it is larger than the sum of its proper divisors (15737506).

18324830 is a wasteful number, since it uses less digits than its factorization.

18324830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18324830 is about 4280.7511023184. The cubic root of 18324830 is about 263.6412233097.

The spelling of 18324830 in words is "eighteen million, three hundred twenty-four thousand, eight hundred thirty".