18034268 has 48 divisors (see below), whose sum is σ = 38438400. Its totient is φ = 7231680.

The previous prime is 18034267. The next prime is 18034279. The reversal of 18034268 is 86243081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034267) 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, 57833 + ... + 58143.

It is an arithmetic number, because the mean of its divisors is an integer number (800800).

Almost surely, 2^18034268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18034268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19219200).

18034268 is an abundant number, since it is smaller than the sum of its proper divisors (20404132).

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

18034268 is a wasteful number, since it uses less digits than its factorization.

18034268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

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

The square root of 18034268 is about 4246.6772893640. The cubic root of 18034268 is about 262.2403443007.

The spelling of 18034268 in words is "eighteen million, thirty-four thousand, two hundred sixty-eight".