214055865 has 40 divisors (see below), whose sum is σ = 387588168. Its totient is φ = 113011200.

The previous prime is 214055861. The next prime is 214055879. The reversal of 214055865 is 568550412.

214055865 is a `hidden beast` number, since 2 + 1 + 40 + 558 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 133541136 + 80514729 = 11556^2 + 8973^2 .

It is not a de Polignac number, because 214055865 - 2² = 214055861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214055861) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38289 + ... + 43521.

Almost surely, 2^214055865 is an apocalyptic number.

It is an amenable number.

214055865 is a deficient number, since it is larger than the sum of its proper divisors (173532303).

214055865 is a wasteful number, since it uses less digits than its factorization.

214055865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351 (or 5342 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 214055865 is about 14630.6481401201. The cubic root of 214055865 is about 598.1944470812.

The spelling of 214055865 in words is "two hundred fourteen million, fifty-five thousand, eight hundred sixty-five".