339406943 has 2 divisors, whose sum is σ = 339406944. Its totient is φ = 339406942.

The previous prime is 339406931. The next prime is 339406967. The reversal of 339406943 is 349604933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 339406943 - 2⁴ = 339406927 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 339406943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339406993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169703471 + 169703472.

It is an arithmetic number, because the mean of its divisors is an integer number (169703472).

Almost surely, 2^339406943 is an apocalyptic number.

339406943 is a deficient number, since it is larger than the sum of its proper divisors (1).

339406943 is an equidigital number, since it uses as much as digits as its factorization.

339406943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 41.

The square root of 339406943 is about 18423.0003799598. Note that the first 3 decimals coincide. The cubic root of 339406943 is about 697.5471586756.

The spelling of 339406943 in words is "three hundred thirty-nine million, four hundred six thousand, nine hundred forty-three".