339947 has 4 divisors (see below), whose sum is σ = 341640. Its totient is φ = 338256.

The previous prime is 339943. The next prime is 339959. The reversal of 339947 is 749933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749933 = 397 ⋅1889.

It is a cyclic number.

It is not a de Polignac number, because 339947 - 2² = 339943 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 339947.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (85410).

2³³⁹⁹⁴⁷ is an apocalyptic number.

339947 is a deficient number, since it is larger than the sum of its proper divisors (1693).

339947 is a wasteful number, since it uses less digits than its factorization.

339947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its digits is 20412, while the sum is 35.

The square root of 339947 is about 583.0497405882. The cubic root of 339947 is about 69.7916936610.

The spelling of 339947 in words is "three hundred thirty-nine thousand, nine hundred forty-seven".