18254364 has 72 divisors (see below), whose sum is σ = 47591040. Its totient is φ = 5420448.

The previous prime is 18254347. The next prime is 18254407. The reversal of 18254364 is 46345281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309367 + ... + 309425.

Almost surely, 2^18254364 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 18254364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23795520).

18254364 is an abundant number, since it is smaller than the sum of its proper divisors (29336676).

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

18254364 is a wasteful number, since it uses less digits than its factorization.

18254364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 106 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 18254364 is about 4272.5126096947. The cubic root of 18254364 is about 263.3028553450.

The spelling of 18254364 in words is "eighteen million, two hundred fifty-four thousand, three hundred sixty-four".