18840850 has 24 divisors (see below), whose sum is σ = 40051008. Its totient is φ = 6459600.

The previous prime is 18840847. The next prime is 18840889. The reversal of 18840850 is 5804881.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26566 + ... + 27265.

It is an arithmetic number, because the mean of its divisors is an integer number (1668792).

Almost surely, 2^18840850 is an apocalyptic number.

18840850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18840850 is an abundant number, since it is smaller than the sum of its proper divisors (21210158).

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

18840850 is a wasteful number, since it uses less digits than its factorization.

18840850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53850 (or 53845 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 18840850 is about 4340.6047965693. The cubic root of 18840850 is about 266.0930290622.

The spelling of 18840850 in words is "eighteen million, eight hundred forty thousand, eight hundred fifty".