32090189 has 2 divisors, whose sum is σ = 32090190. Its totient is φ = 32090188.

The previous prime is 32090161. The next prime is 32090197. The reversal of 32090189 is 98109023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28536964 + 3553225 = 5342^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 32090189 - 2²⁰ = 31041613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32090089) 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 as a sum of consecutive naturals, namely, 16045094 + 16045095.

It is an arithmetic number, because the mean of its divisors is an integer number (16045095).

Almost surely, 2^32090189 is an apocalyptic number.

It is an amenable number.

32090189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32090189 is an equidigital number, since it uses as much as digits as its factorization.

32090189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 32090189 is about 5664.8202972380. The cubic root of 32090189 is about 317.7781933595.

It can be divided in two parts, 320 and 90189, that added together give a palindrome (90509).

The spelling of 32090189 in words is "thirty-two million, ninety thousand, one hundred eighty-nine".