339942065 has 4 divisors (see below), whose sum is σ = 407930484. Its totient is φ = 271953648.

The previous prime is 339942061. The next prime is 339942067. The reversal of 339942065 is 560249933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560249933 = 11243 ⋅49831.

It can be written as a sum of positive squares in 2 ways, for example, as 178169104 + 161772961 = 13348^2 + 12719^2 .

It is a cyclic number.

It is not a de Polignac number, because 339942065 - 2² = 339942061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (339942061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33994202 + ... + 33994211.

It is an arithmetic number, because the mean of its divisors is an integer number (101982621).

Almost surely, 2^339942065 is an apocalyptic number.

It is an amenable number.

339942065 is a deficient number, since it is larger than the sum of its proper divisors (67988419).

339942065 is an equidigital number, since it uses as much as digits as its factorization.

339942065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67988418.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 339942065 is about 18437.5178643981. The cubic root of 339942065 is about 697.9135593812.

The spelling of 339942065 in words is "three hundred thirty-nine million, nine hundred forty-two thousand, sixty-five".