189932205 has 16 divisors (see below), whose sum is σ = 304096320. Its totient is φ = 101228928.

The previous prime is 189932201. The next prime is 189932207. The reversal of 189932205 is 502239981.

It is not a de Polignac number, because 189932205 - 2² = 189932201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189932201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25386 + ... + 32004.

It is an arithmetic number, because the mean of its divisors is an integer number (19006020).

Almost surely, 2^189932205 is an apocalyptic number.

189932205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189932205 is a deficient number, since it is larger than the sum of its proper divisors (114164115).

189932205 is a wasteful number, since it uses less digits than its factorization.

189932205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 189932205 is about 13781.5893495634. The cubic root of 189932205 is about 574.8213231853.

The spelling of 189932205 in words is "one hundred eighty-nine million, nine hundred thirty-two thousand, two hundred five".