18614868 has 48 divisors (see below), whose sum is σ = 45360000. Its totient is φ = 5934208.

The previous prime is 18614857. The next prime is 18614873. The reversal of 18614868 is 86841681.

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, 51673 + ... + 52031.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 2^18614868 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 18614868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22680000).

18614868 is an abundant number, since it is smaller than the sum of its proper divisors (26745132).

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

18614868 is a wasteful number, since it uses less digits than its factorization.

18614868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 18614868 is about 4314.4951037172. The cubic root of 18614868 is about 265.0248843370.

The spelling of 18614868 in words is "eighteen million, six hundred fourteen thousand, eight hundred sixty-eight".