18323046 has 48 divisors (see below), whose sum is σ = 46844928. Its totient is φ = 5065200.

The previous prime is 18323033. The next prime is 18323051. The reversal of 18323046 is 64032381.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1561 + ... + 6251.

It is an arithmetic number, because the mean of its divisors is an integer number (975936).

Almost surely, 2^18323046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18323046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23422464).

18323046 is an abundant number, since it is smaller than the sum of its proper divisors (28521882).

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

18323046 is a wasteful number, since it uses less digits than its factorization.

18323046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737 (or 4734 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 18323046 is about 4280.5427225996. The cubic root of 18323046 is about 263.6326675012.

The spelling of 18323046 in words is "eighteen million, three hundred twenty-three thousand, forty-six".