339389993 has 2 divisors, whose sum is σ = 339389994. Its totient is φ = 339389992.

The previous prime is 339389977. The next prime is 339390017. The reversal of 339389993 is 399983933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320839744 + 18550249 = 17912^2 + 4307^2 .

It is a cyclic number.

It is not a de Polignac number, because 339389993 - 2⁴ = 339389977 is a prime.

It is not a weakly prime, because it can be changed into another prime (339389093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169694996 + 169694997.

It is an arithmetic number, because the mean of its divisors is an integer number (169694997).

Almost surely, 2^339389993 is an apocalyptic number.

It is an amenable number.

339389993 is a deficient number, since it is larger than the sum of its proper divisors (1).

339389993 is an equidigital number, since it uses as much as digits as its factorization.

339389993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4251528, while the sum is 56.

The square root of 339389993 is about 18422.5403514282. The cubic root of 339389993 is about 697.5355466355.

The spelling of 339389993 in words is "three hundred thirty-nine million, three hundred eighty-nine thousand, nine hundred ninety-three".