18866848 has 192 divisors, whose sum is σ = 54190080. Its totient is φ = 6220800.

The previous prime is 18866833. The next prime is 18866851. The reversal of 18866848 is 84866881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608593 + ... + 608623.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

Almost surely, 2^18866848 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 18866848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27095040).

18866848 is an abundant number, since it is smaller than the sum of its proper divisors (35323232).

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

18866848 is a wasteful number, since it uses less digits than its factorization.

18866848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 83 counting only the distinct ones).

The product of its digits is 589824, while the sum is 49.

The square root of 18866848 is about 4343.5985081497. The cubic root of 18866848 is about 266.2153644322.

The spelling of 18866848 in words is "eighteen million, eight hundred sixty-six thousand, eight hundred forty-eight".