18863214 has 32 divisors (see below), whose sum is σ = 38548224. Its totient is φ = 6152640.

The previous prime is 18863191. The next prime is 18863227. The reversal of 18863214 is 41236881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80842 + ... + 81074.

It is an arithmetic number, because the mean of its divisors is an integer number (1204632).

Almost surely, 2^18863214 is an apocalyptic number.

18863214 is an abundant number, since it is smaller than the sum of its proper divisors (19685010).

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

18863214 is a wasteful number, since it uses less digits than its factorization.

18863214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its digits is 9216, while the sum is 33.

The square root of 18863214 is about 4343.1801712570. The cubic root of 18863214 is about 266.1982711557.

The spelling of 18863214 in words is "eighteen million, eight hundred sixty-three thousand, two hundred fourteen".