18887214 has 16 divisors (see below), whose sum is σ = 37935360. Its totient is φ = 6268920.

The previous prime is 18887201. The next prime is 18887227. The reversal of 18887214 is 41278881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18887201) and next prime (18887227).

It is a congruent number.

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, 5152 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (2370960).

Almost surely, 2^18887214 is an apocalyptic number.

18887214 is an abundant number, since it is smaller than the sum of its proper divisors (19048146).

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

18887214 is a wasteful number, since it uses less digits than its factorization.

18887214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415.

The product of its digits is 28672, while the sum is 39.

The square root of 18887214 is about 4345.9422453595. The cubic root of 18887214 is about 266.3111195619.

The spelling of 18887214 in words is "eighteen million, eight hundred eighty-seven thousand, two hundred fourteen".