18326334 has 32 divisors (see below), whose sum is σ = 40320000. Its totient is φ = 5517792.

The previous prime is 18326333. The next prime is 18326351. The reversal of 18326334 is 43362381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (1260000).

Almost surely, 2^18326334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18326334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20160000).

18326334 is an abundant number, since it is smaller than the sum of its proper divisors (21993666).

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

18326334 is a wasteful number, since it uses less digits than its factorization.

18326334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064.

The product of its digits is 10368, while the sum is 30.

The square root of 18326334 is about 4280.9267688200. The cubic root of 18326334 is about 263.6484358469.

The spelling of 18326334 in words is "eighteen million, three hundred twenty-six thousand, three hundred thirty-four".