214382657 has 4 divisors (see below), whose sum is σ = 214413360. Its totient is φ = 214351956.

The previous prime is 214382629. The next prime is 214382671. The reversal of 214382657 is 756283412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 214382657 - 2⁶ = 214382593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214382657.

It is not an unprimeable number, because it can be changed into a prime (214382627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758 + ... + 20720.

It is an arithmetic number, because the mean of its divisors is an integer number (53603340).

Almost surely, 2^214382657 is an apocalyptic number.

It is an amenable number.

214382657 is a deficient number, since it is larger than the sum of its proper divisors (30703).

214382657 is a wasteful number, since it uses less digits than its factorization.

214382657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30702.

The product of its digits is 80640, while the sum is 38.

The square root of 214382657 is about 14641.8119438818. The cubic root of 214382657 is about 598.4987068497.

The spelling of 214382657 in words is "two hundred fourteen million, three hundred eighty-two thousand, six hundred fifty-seven".