189304 has 8 divisors (see below), whose sum is σ = 354960. Its totient is φ = 94648.

The previous prime is 189271. The next prime is 189307. The reversal of 189304 is 403981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11824 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (44370).

2¹⁸⁹³⁰⁴ is an apocalyptic number.

It is an amenable number.

189304 is a deficient number, since it is larger than the sum of its proper divisors (165656).

189304 is a wasteful number, since it uses less digits than its factorization.

189304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23669 (or 23665 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 189304 is about 435.0907951221. The cubic root of 189304 is about 57.4186878412.

The spelling of 189304 in words is "one hundred eighty-nine thousand, three hundred four".