339664057 has 4 divisors (see below), whose sum is σ = 341540836. Its totient is φ = 337787280.

The previous prime is 339664019. The next prime is 339664067. The reversal of 339664057 is 750466933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750466933 = 67 ⋅11200999.

It can be written as a sum of positive squares in 2 ways, for example, as 1692601 + 337971456 = 1301^2 + 18384^2 .

It is a cyclic number.

It is not a de Polignac number, because 339664057 - 2¹⁹ = 339139769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (339664067) 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 in 3 ways as a sum of consecutive naturals, for example, 938118 + ... + 938479.

It is an arithmetic number, because the mean of its divisors is an integer number (85385209).

Almost surely, 2^339664057 is an apocalyptic number.

It is an amenable number.

339664057 is a deficient number, since it is larger than the sum of its proper divisors (1876779).

339664057 is a wasteful number, since it uses less digits than its factorization.

339664057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876778.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 339664057 is about 18429.9771296657. The cubic root of 339664057 is about 697.7232539450.

The spelling of 339664057 in words is "three hundred thirty-nine million, six hundred sixty-four thousand, fifty-seven".