213682 has 8 divisors (see below), whose sum is σ = 366336. Its totient is φ = 91572.

The previous prime is 213659. The next prime is 213713. The reversal of 213682 is 286312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7618 + ... + 7645.

It is an arithmetic number, because the mean of its divisors is an integer number (45792).

2²¹³⁶⁸² is an apocalyptic number.

213682 is a deficient number, since it is larger than the sum of its proper divisors (152654).

213682 is a wasteful number, since it uses less digits than its factorization.

213682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15272.

The product of its digits is 576, while the sum is 22.

The square root of 213682 is about 462.2575039953. The cubic root of 213682 is about 59.7845979954.

Adding to 213682 its reverse (286312), we get a palindrome (499994).

The spelling of 213682 in words is "two hundred thirteen thousand, six hundred eighty-two".