214312665 has 32 divisors (see below), whose sum is σ = 393198336. Its totient is φ = 97643520.

The previous prime is 214312661. The next prime is 214312667. The reversal of 214312665 is 566213412.

214312665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214312665 - 2² = 214312661 is a prime.

It is a super-3 number, since 3×214312665³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (214312661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29605 + ... + 36125.

It is an arithmetic number, because the mean of its divisors is an integer number (12287448).

Almost surely, 2^214312665 is an apocalyptic number.

It is an amenable number.

214312665 is a deficient number, since it is larger than the sum of its proper divisors (178885671).

214312665 is a wasteful number, since it uses less digits than its factorization.

214312665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849.

The product of its digits is 8640, while the sum is 30.

The square root of 214312665 is about 14639.4216074270. The cubic root of 214312665 is about 598.4335668151.

The spelling of 214312665 in words is "two hundred fourteen million, three hundred twelve thousand, six hundred sixty-five".