214653897 has 6 divisors (see below), whose sum is σ = 310055642. Its totient is φ = 143102592.

The previous prime is 214653847. The next prime is 214653913. The reversal of 214653897 is 798356412.

214653897 is a `hidden beast` number, since 21 + 4 + 6 + 538 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141705216 + 72948681 = 11904^2 + 8541^2 .

It is not a de Polignac number, because 214653897 - 2⁶ = 214653833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214653847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11925208 + ... + 11925225.

Almost surely, 2^214653897 is an apocalyptic number.

It is an amenable number.

214653897 is a deficient number, since it is larger than the sum of its proper divisors (95401745).

214653897 is a wasteful number, since it uses less digits than its factorization.

214653897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23850439 (or 23850436 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 214653897 is about 14651.0715307789. The cubic root of 214653897 is about 598.7510101781.

The spelling of 214653897 in words is "two hundred fourteen million, six hundred fifty-three thousand, eight hundred ninety-seven".