18437214 has 64 divisors (see below), whose sum is σ = 42301440. Its totient is φ = 5322240.

The previous prime is 18437183. The next prime is 18437227. The reversal of 18437214 is 41273481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67899 + ... + 68169.

It is an arithmetic number, because the mean of its divisors is an integer number (660960).

Almost surely, 2^18437214 is an apocalyptic number.

18437214 is an abundant number, since it is smaller than the sum of its proper divisors (23864226).

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

18437214 is a wasteful number, since it uses less digits than its factorization.

18437214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its digits is 5376, while the sum is 30.

The square root of 18437214 is about 4293.8577060727. The cubic root of 18437214 is about 264.1790853305.

The spelling of 18437214 in words is "eighteen million, four hundred thirty-seven thousand, two hundred fourteen".