214424857 has 16 divisors (see below), whose sum is σ = 224236800. Its totient is φ = 204893568.

The previous prime is 214424851. The next prime is 214424863. The reversal of 214424857 is 758424412.

It is an interprime number because it is at equal distance from previous prime (214424851) and next prime (214424863).

It is a cyclic number.

It is not a de Polignac number, because 214424857 - 2²⁷ = 80207129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214424851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468973 + ... + 469429.

It is an arithmetic number, because the mean of its divisors is an integer number (14014800).

Almost surely, 2^214424857 is an apocalyptic number.

It is an amenable number.

214424857 is a deficient number, since it is larger than the sum of its proper divisors (9811943).

214424857 is a wasteful number, since it uses less digits than its factorization.

214424857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 71680, while the sum is 37.

The square root of 214424857 is about 14643.2529514449. The cubic root of 214424857 is about 598.5379746225.

The spelling of 214424857 in words is "two hundred fourteen million, four hundred twenty-four thousand, eight hundred fifty-seven".