32442889 has 2 divisors, whose sum is σ = 32442890. Its totient is φ = 32442888.

The previous prime is 32442881. The next prime is 32442901. The reversal of 32442889 is 98824423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16974400 + 15468489 = 4120^2 + 3933^2 .

It is an emirp because it is prime and its reverse (98824423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32442889 - 2³ = 32442881 is a prime.

It is not a weakly prime, because it can be changed into another prime (32442881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16221444 + 16221445.

It is an arithmetic number, because the mean of its divisors is an integer number (16221445).

Almost surely, 2^32442889 is an apocalyptic number.

It is an amenable number.

32442889 is a deficient number, since it is larger than the sum of its proper divisors (1).

32442889 is an equidigital number, since it uses as much as digits as its factorization.

32442889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 32442889 is about 5695.8659569902. The cubic root of 32442889 is about 318.9381765196.

The spelling of 32442889 in words is "thirty-two million, four hundred forty-two thousand, eight hundred eighty-nine".