189213 has 8 divisors (see below), whose sum is σ = 256800. Its totient is φ = 123888.

The previous prime is 189199. The next prime is 189223. The reversal of 189213 is 312981.

189213 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 189213 - 2⁶ = 189149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189223) 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, 358 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (32100).

2¹⁸⁹²¹³ is an apocalyptic number.

It is an amenable number.

189213 is a deficient number, since it is larger than the sum of its proper divisors (67587).

189213 is a wasteful number, since it uses less digits than its factorization.

189213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 432, while the sum is 24.

The square root of 189213 is about 434.9862066779. The cubic root of 189213 is about 57.4094858204.

The spelling of 189213 in words is "one hundred eighty-nine thousand, two hundred thirteen".