339646 has 4 divisors (see below), whose sum is σ = 509472. Its totient is φ = 169822.

The previous prime is 339637. The next prime is 339649. The reversal of 339646 is 646933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646933 = 7 ⋅92419.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84910 + ... + 84913.

It is an arithmetic number, because the mean of its divisors is an integer number (127368).

2³³⁹⁶⁴⁶ is an apocalyptic number.

339646 is a deficient number, since it is larger than the sum of its proper divisors (169826).

339646 is a wasteful number, since it uses less digits than its factorization.

339646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169825.

The product of its digits is 11664, while the sum is 31.

The square root of 339646 is about 582.7915579347. The cubic root of 339646 is about 69.7710889756.

The spelling of 339646 in words is "three hundred thirty-nine thousand, six hundred forty-six".