214591 has 8 divisors (see below), whose sum is σ = 244944. Its totient is φ = 186240.

The previous prime is 214589. The next prime is 214603. The reversal of 214591 is 195412.

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 214591 - 2¹ = 214589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (30618).

2²¹⁴⁵⁹¹ is an apocalyptic number.

214591 is a deficient number, since it is larger than the sum of its proper divisors (30353).

214591 is a wasteful number, since it uses less digits than its factorization.

214591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its digits is 360, while the sum is 22.

The square root of 214591 is about 463.2396787841. The cubic root of 214591 is about 59.8692523281.

The spelling of 214591 in words is "two hundred fourteen thousand, five hundred ninety-one".