339963 has 16 divisors (see below), whose sum is σ = 510720. Its totient is φ = 199584.

The previous prime is 339959. The next prime is 339991. The reversal of 339963 is 369933.

It is not a de Polignac number, because 339963 - 2² = 339959 is a prime.

It is a d-powerful number, because it can be written as 3 + 3 + 9³ + 9⁵ + 6⁷ + 3⁵ .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (339943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 1086.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2³³⁹⁹⁶³ is an apocalyptic number.

339963 is a deficient number, since it is larger than the sum of its proper divisors (170757).

339963 is a wasteful number, since it uses less digits than its factorization.

339963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its digits is 13122, while the sum is 33.

The square root of 339963 is about 583.0634613831. The cubic root of 339963 is about 69.7927885862.

The spelling of 339963 in words is "three hundred thirty-nine thousand, nine hundred sixty-three".