214857 has 6 divisors (see below), whose sum is σ = 310362. Its totient is φ = 143232.

The previous prime is 214853. The next prime is 214867. The reversal of 214857 is 758412.

214857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 69696 = 381^2 + 264^2 .

It is not a de Polignac number, because 214857 - 2² = 214853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214857.

It is not an unprimeable number, because it can be changed into a prime (214853) 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, 11928 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (51727).

2²¹⁴⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

214857 is a deficient number, since it is larger than the sum of its proper divisors (95505).

214857 is a wasteful number, since it uses less digits than its factorization.

214857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879 (or 23876 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 214857 is about 463.5266982602. The cubic root of 214857 is about 59.8939794377.

The spelling of 214857 in words is "two hundred fourteen thousand, eight hundred fifty-seven".