339540889 has 2 divisors, whose sum is σ = 339540890. Its totient is φ = 339540888.

The previous prime is 339540871. The next prime is 339540941. The reversal of 339540889 is 988045933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278622864 + 60918025 = 16692^2 + 7805^2 .

It is a cyclic number.

It is not a de Polignac number, because 339540889 - 2¹⁷ = 339409817 is a prime.

It is not a weakly prime, because it can be changed into another prime (339540869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169770444 + 169770445.

It is an arithmetic number, because the mean of its divisors is an integer number (169770445).

Almost surely, 2^339540889 is an apocalyptic number.

It is an amenable number.

339540889 is a deficient number, since it is larger than the sum of its proper divisors (1).

339540889 is an equidigital number, since it uses as much as digits as its factorization.

339540889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 339540889 is about 18426.6353141316. The cubic root of 339540889 is about 697.6389082850.

The spelling of 339540889 in words is "three hundred thirty-nine million, five hundred forty thousand, eight hundred eighty-nine".