189604 has 12 divisors (see below), whose sum is σ = 335664. Its totient is φ = 93704.

The previous prime is 189599. The next prime is 189613. The reversal of 189604 is 406981.

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, 207 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2¹⁸⁹⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

189604 is a deficient number, since it is larger than the sum of its proper divisors (146060).

189604 is a wasteful number, since it uses less digits than its factorization.

189604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 189604 is about 435.4354142694. The cubic root of 189604 is about 57.4490033037.

The spelling of 189604 in words is "one hundred eighty-nine thousand, six hundred four".