214931 has 8 divisors (see below), whose sum is σ = 233280. Its totient is φ = 197248.

The previous prime is 214913. The next prime is 214939. The reversal of 214931 is 139412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214931 - 2⁶ = 214867 is a prime.

It is a super-2 number, since 2×214931² = 92390669522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2²¹⁴⁹³¹ is an apocalyptic number.

214931 is a deficient number, since it is larger than the sum of its proper divisors (18349).

214931 is a wasteful number, since it uses less digits than its factorization.

214931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 216, while the sum is 20.

The square root of 214931 is about 463.6065141906. The cubic root of 214931 is about 59.9008547792.

The spelling of 214931 in words is "two hundred fourteen thousand, nine hundred thirty-one".