214664860 has 12 divisors (see below), whose sum is σ = 450796248. Its totient is φ = 85865936.

The previous prime is 214664843. The next prime is 214664881. The reversal of 214664860 is 68466412.

214664860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5366602 + ... + 5366641.

It is an arithmetic number, because the mean of its divisors is an integer number (37566354).

Almost surely, 2^214664860 is an apocalyptic number.

214664860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214664860 is an abundant number, since it is smaller than the sum of its proper divisors (236131388).

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

214664860 is a wasteful number, since it uses less digits than its factorization.

214664860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733252 (or 10733250 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 214664860 is about 14651.4456624594. The cubic root of 214664860 is about 598.7612033242.

The spelling of 214664860 in words is "two hundred fourteen million, six hundred sixty-four thousand, eight hundred sixty".