189207 has 6 divisors (see below), whose sum is σ = 273312. Its totient is φ = 126132.

The previous prime is 189199. The next prime is 189223. The reversal of 189207 is 702981.

It is not a de Polignac number, because 189207 - 2³ = 189199 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 189207.

It is not an unprimeable number, because it can be changed into a prime (189257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10503 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (45552).

2¹⁸⁹²⁰⁷ is an apocalyptic number.

189207 is a deficient number, since it is larger than the sum of its proper divisors (84105).

189207 is a wasteful number, since it uses less digits than its factorization.

189207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029 (or 21026 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 189207 is about 434.9793098528. The cubic root of 189207 is about 57.4088789900.

The spelling of 189207 in words is "one hundred eighty-nine thousand, two hundred seven".