232191189 has 12 divisors (see below), whose sum is σ = 336127116. Its totient is φ = 154452672.

The previous prime is 232191181. The next prime is 232191199. The reversal of 232191189 is 981191232.

It can be written as a sum of positive squares in 2 ways, for example, as 170694225 + 61496964 = 13065^2 + 7842^2 .

It is not a de Polignac number, because 232191189 - 2³ = 232191181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232191181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24114 + ... + 32339.

It is an arithmetic number, because the mean of its divisors is an integer number (28010593).

Almost surely, 2^232191189 is an apocalyptic number.

It is an amenable number.

232191189 is a deficient number, since it is larger than the sum of its proper divisors (103935927).

232191189 is a wasteful number, since it uses less digits than its factorization.

232191189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56916 (or 56913 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 232191189 is about 15237.8210056425. The cubic root of 232191189 is about 614.6321099361.

The spelling of 232191189 in words is "two hundred thirty-two million, one hundred ninety-one thousand, one hundred eighty-nine".