32398997 has 2 divisors, whose sum is σ = 32398998. Its totient is φ = 32398996.

The previous prime is 32398987. The next prime is 32399033. The reversal of 32398997 is 79989323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19945156 + 12453841 = 4466^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 32398997 - 2¹⁴ = 32382613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32398907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16199498 + 16199499.

It is an arithmetic number, because the mean of its divisors is an integer number (16199499).

Almost surely, 2^32398997 is an apocalyptic number.

It is an amenable number.

32398997 is a deficient number, since it is larger than the sum of its proper divisors (1).

32398997 is an equidigital number, since it uses as much as digits as its factorization.

32398997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 32398997 is about 5692.0116830520. The cubic root of 32398997 is about 318.7942810710.

The spelling of 32398997 in words is "thirty-two million, three hundred ninety-eight thousand, nine hundred ninety-seven".