18464214 has 16 divisors (see below), whose sum is σ = 37295280. Its totient is φ = 6093600.

The previous prime is 18464203. The next prime is 18464231. The reversal of 18464214 is 41246481.

18464214 = 2147² + 2148² + ... + 2150².

It is a Curzon number.

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, 14629 + ... + 15840.

It is an arithmetic number, because the mean of its divisors is an integer number (2330955).

Almost surely, 2^18464214 is an apocalyptic number.

18464214 is an abundant number, since it is smaller than the sum of its proper divisors (18831066).

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

18464214 is a wasteful number, since it uses less digits than its factorization.

18464214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30575.

The product of its digits is 6144, while the sum is 30.

The square root of 18464214 is about 4297.0005818012. Note that the first 3 decimals coincide. The cubic root of 18464214 is about 264.3079796470.

The spelling of 18464214 in words is "eighteen million, four hundred sixty-four thousand, two hundred fourteen".