214275864 has 32 divisors (see below), whose sum is σ = 584389440. Its totient is φ = 64932000.

The previous prime is 214275851. The next prime is 214275877. The reversal of 214275864 is 468572412.

It is an interprime number because it is at equal distance from previous prime (214275851) and next prime (214275877).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405562 + ... + 406089.

It is an arithmetic number, because the mean of its divisors is an integer number (18262170).

Almost surely, 2^214275864 is an apocalyptic number.

214275864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214275864 is an abundant number, since it is smaller than the sum of its proper divisors (370113576).

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

214275864 is a wasteful number, since it uses less digits than its factorization.

214275864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811671 (or 811667 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 214275864 is about 14638.1646390523. The cubic root of 214275864 is about 598.3993112344.

The spelling of 214275864 in words is "two hundred fourteen million, two hundred seventy-five thousand, eight hundred sixty-four".