332609989 has 2 divisors, whose sum is σ = 332609990. Its totient is φ = 332609988.

The previous prime is 332609971. The next prime is 332610001. The reversal of 332609989 is 989906233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322813089 + 9796900 = 17967^2 + 3130^2 .

It is an emirp because it is prime and its reverse (989906233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332609989 - 2⁵ = 332609957 is a prime.

It is a super-2 number, since 2×332609989² = 221258809565160242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332609939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166304994 + 166304995.

It is an arithmetic number, because the mean of its divisors is an integer number (166304995).

Almost surely, 2^332609989 is an apocalyptic number.

It is an amenable number.

332609989 is a deficient number, since it is larger than the sum of its proper divisors (1).

332609989 is an equidigital number, since it uses as much as digits as its factorization.

332609989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 332609989 is about 18237.5982245470. The cubic root of 332609989 is about 692.8593721785.

The spelling of 332609989 in words is "three hundred thirty-two million, six hundred nine thousand, nine hundred eighty-nine".