18893568 has 72 divisors (see below), whose sum is σ = 51124528. Its totient is φ = 6193152.

The previous prime is 18893549. The next prime is 18893593. The reversal of 18893568 is 86539881.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55896 + ... + 56232.

Almost surely, 2^18893568 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 18893568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25562264).

18893568 is an abundant number, since it is smaller than the sum of its proper divisors (32230960).

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

18893568 is an equidigital number, since it uses as much as digits as its factorization.

18893568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 415 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 18893568 is about 4346.6732106290. The cubic root of 18893568 is about 266.3409801709.

The spelling of 18893568 in words is "eighteen million, eight hundred ninety-three thousand, five hundred sixty-eight".