189364 has 12 divisors (see below), whose sum is σ = 378784. Its totient is φ = 81144.

The previous prime is 189361. The next prime is 189377. The reversal of 189364 is 463981.

189364 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3354 + ... + 3409.

2¹⁸⁹³⁶⁴ is an apocalyptic number.

189364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189364 is a wasteful number, since it uses less digits than its factorization.

189364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774 (or 6772 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 189364 is about 435.1597407849. The cubic root of 189364 is about 57.4247534946.

The spelling of 189364 in words is "one hundred eighty-nine thousand, three hundred sixty-four".