32455989 has 12 divisors (see below), whose sum is σ = 47320416. Its totient is φ = 21434472.

The previous prime is 32455987. The next prime is 32456003. The reversal of 32455989 is 98955423.

It is not a de Polignac number, because 32455989 - 2¹ = 32455987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32455987) 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 11 ways as a sum of consecutive naturals, for example, 15889 + ... + 17814.

It is an arithmetic number, because the mean of its divisors is an integer number (3943368).

Almost surely, 2^32455989 is an apocalyptic number.

It is an amenable number.

32455989 is a deficient number, since it is larger than the sum of its proper divisors (14864427).

32455989 is a wasteful number, since it uses less digits than its factorization.

32455989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33816 (or 33813 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 32455989 is about 5697.0157977664. The cubic root of 32455989 is about 318.9810983844.

The spelling of 32455989 in words is "thirty-two million, four hundred fifty-five thousand, nine hundred eighty-nine".