339023989 has 2 divisors, whose sum is σ = 339023990. Its totient is φ = 339023988.

The previous prime is 339023983. The next prime is 339023999. The reversal of 339023989 is 989320933.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314352900 + 24671089 = 17730^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 339023989 - 2¹¹ = 339021941 is a prime.

It is a super-2 number, since 2×339023989² = 229874530234944242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339023983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169511994 + 169511995.

It is an arithmetic number, because the mean of its divisors is an integer number (169511995).

Almost surely, 2^339023989 is an apocalyptic number.

It is an amenable number.

339023989 is a deficient number, since it is larger than the sum of its proper divisors (1).

339023989 is an equidigital number, since it uses as much as digits as its factorization.

339023989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 339023989 is about 18412.6040798145. The cubic root of 339023989 is about 697.2847116726.

The spelling of 339023989 in words is "three hundred thirty-nine million, twenty-three thousand, nine hundred eighty-nine".