18869514 has 16 divisors (see below), whose sum is σ = 38956800. Its totient is φ = 6086880.

The previous prime is 18869503. The next prime is 18869549. The reversal of 18869514 is 41596881.

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, 50539 + ... + 50910.

It is an arithmetic number, because the mean of its divisors is an integer number (2434800).

Almost surely, 2^18869514 is an apocalyptic number.

18869514 is an abundant number, since it is smaller than the sum of its proper divisors (20087286).

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

18869514 is a wasteful number, since it uses less digits than its factorization.

18869514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101485.

The product of its digits is 69120, while the sum is 42.

The square root of 18869514 is about 4343.9053857100. The cubic root of 18869514 is about 266.2279031233.

The spelling of 18869514 in words is "eighteen million, eight hundred sixty-nine thousand, five hundred fourteen".