18828068 has 24 divisors (see below), whose sum is σ = 37904832. Its totient is φ = 8015904.

The previous prime is 18828049. The next prime is 18828097. The reversal of 18828068 is 86082881.

It is a super-2 number, since 2×18828068² = 708992289225248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 2255 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (1579368).

Almost surely, 2^18828068 is an apocalyptic number.

It is an amenable number.

18828068 is an abundant number, since it is smaller than the sum of its proper divisors (19076764).

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

18828068 is a wasteful number, since it uses less digits than its factorization.

18828068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 18828068 is about 4339.1321712988. The cubic root of 18828068 is about 266.0328412162.

The spelling of 18828068 in words is "eighteen million, eight hundred twenty-eight thousand, sixty-eight".