40339 has 8 divisors (see below), whose sum is σ = 45360. Its totient is φ = 35616.

The previous prime is 40289. The next prime is 40343. The reversal of 40339 is 93304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40339 - 2⁹ = 39827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324 + ... + 430.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2⁴⁰³³⁹ is an apocalyptic number.

40339 is a deficient number, since it is larger than the sum of its proper divisors (5021).

40339 is a wasteful number, since it uses less digits than its factorization.

40339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 40339 is about 200.8457119283. The cubic root of 40339 is about 34.2958609188.

The spelling of 40339 in words is "forty thousand, three hundred thirty-nine".