189372205 has 8 divisors (see below), whose sum is σ = 247905504. Its totient is φ = 137725200.

The previous prime is 189372203. The next prime is 189372229. The reversal of 189372205 is 502273981.

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

It is not a de Polignac number, because 189372205 - 2¹ = 189372203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189372203) 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, 1721511 + ... + 1721620.

It is an arithmetic number, because the mean of its divisors is an integer number (30988188).

Almost surely, 2^189372205 is an apocalyptic number.

It is an amenable number.

189372205 is a deficient number, since it is larger than the sum of its proper divisors (58533299).

189372205 is a wasteful number, since it uses less digits than its factorization.

189372205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443147.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 189372205 is about 13761.2573916775. The cubic root of 189372205 is about 574.2558287313.

The spelling of 189372205 in words is "one hundred eighty-nine million, three hundred seventy-two thousand, two hundred five".