32003989 has 2 divisors, whose sum is σ = 32003990. Its totient is φ = 32003988.

The previous prime is 32003987. The next prime is 32004043. The reversal of 32003989 is 98930023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 24964 = 5655^2 + 158^2 .

It is an emirp because it is prime and its reverse (98930023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32003989 - 2¹ = 32003987 is a prime.

Together with 32003987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32003981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16001994 + 16001995.

It is an arithmetic number, because the mean of its divisors is an integer number (16001995).

Almost surely, 2^32003989 is an apocalyptic number.

It is an amenable number.

32003989 is a deficient number, since it is larger than the sum of its proper divisors (1).

32003989 is an equidigital number, since it uses as much as digits as its factorization.

32003989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 32003989 is about 5657.2068196240. The cubic root of 32003989 is about 317.4934018097.

The spelling of 32003989 in words is "thirty-two million, three thousand, nine hundred eighty-nine".