232189489 has 6 divisors (see below), whose sum is σ = 270098034. Its totient is φ = 199019520.

The previous prime is 232189483. The next prime is 232189493. The reversal of 232189489 is 984981232.

It can be written as a sum of positive squares in only one way, i.e., 151782400 + 80407089 = 12320^2 + 8967^2 .

It is not a de Polignac number, because 232189489 - 2¹⁵ = 232156721 is a prime.

It is a super-2 number, since 2×232189489² = 107823917604162242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232189483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2369232 + ... + 2369329.

It is an arithmetic number, because the mean of its divisors is an integer number (45016339).

Almost surely, 2^232189489 is an apocalyptic number.

It is an amenable number.

232189489 is a deficient number, since it is larger than the sum of its proper divisors (37908545).

232189489 is an equidigital number, since it uses as much as digits as its factorization.

232189489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738575 (or 4738568 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 232189489 is about 15237.7652232865. The cubic root of 232189489 is about 614.6306099120.

The spelling of 232189489 in words is "two hundred thirty-two million, one hundred eighty-nine thousand, four hundred eighty-nine".