339706943 has 4 divisors (see below), whose sum is σ = 340267200. Its totient is φ = 339146688.

The previous prime is 339706931. The next prime is 339706949. The reversal of 339706943 is 349607933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349607933 = 1259 ⋅277687.

It is a cyclic number.

It is not a de Polignac number, because 339706943 - 2²⁰ = 338658367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 339706894 and 339706903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339706949) 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, 279218 + ... + 280431.

It is an arithmetic number, because the mean of its divisors is an integer number (85066800).

Almost surely, 2^339706943 is an apocalyptic number.

339706943 is a deficient number, since it is larger than the sum of its proper divisors (560257).

339706943 is an equidigital number, since it uses as much as digits as its factorization.

339706943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560256.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 339706943 is about 18431.1405778373. The cubic root of 339706943 is about 697.7526175663.

The spelling of 339706943 in words is "three hundred thirty-nine million, seven hundred six thousand, nine hundred forty-three".