215339 has 8 divisors (see below), whose sum is σ = 233280. Its totient is φ = 198016.

The previous prime is 215329. The next prime is 215351. The reversal of 215339 is 933512.

It is a happy number.

215339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 215339 - 2¹⁶ = 149803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215309) 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, 782 + ... + 1020.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2²¹⁵³³⁹ is an apocalyptic number.

215339 is a deficient number, since it is larger than the sum of its proper divisors (17941).

215339 is a wasteful number, since it uses less digits than its factorization.

215339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its digits is 810, while the sum is 23.

The square root of 215339 is about 464.0463338935. The cubic root of 215339 is about 59.9387337584.

The spelling of 215339 in words is "two hundred fifteen thousand, three hundred thirty-nine".