189793265 has 32 divisors (see below), whose sum is σ = 241056000. Its totient is φ = 143320320.

The previous prime is 189793249. The next prime is 189793267. The reversal of 189793265 is 562397981.

It is not a de Polignac number, because 189793265 - 2⁴ = 189793249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189793267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953636 + ... + 953834.

It is an arithmetic number, because the mean of its divisors is an integer number (7533000).

Almost surely, 2^189793265 is an apocalyptic number.

It is an amenable number.

189793265 is a deficient number, since it is larger than the sum of its proper divisors (51262735).

189793265 is a wasteful number, since it uses less digits than its factorization.

189793265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its digits is 816480, while the sum is 50.

The square root of 189793265 is about 13776.5476444572. The cubic root of 189793265 is about 574.6811237614.

The spelling of 189793265 in words is "one hundred eighty-nine million, seven hundred ninety-three thousand, two hundred sixty-five".