616339 has 4 divisors (see below), whose sum is σ = 624856. Its totient is φ = 607824.

The previous prime is 616327. The next prime is 616361. The reversal of 616339 is 933616.

616339 = 318² + 319² + ... + 323².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616339 - 2⁵ = 616307 is a prime.

It is a Duffinian number.

616339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (616139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4149 + ... + 4294.

It is an arithmetic number, because the mean of its divisors is an integer number (156214).

2⁶¹⁶³³⁹ is an apocalyptic number.

616339 is a deficient number, since it is larger than the sum of its proper divisors (8517).

616339 is an equidigital number, since it uses as much as digits as its factorization.

616339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516.

The product of its digits is 2916, while the sum is 28.

The square root of 616339 is about 785.0726081070. The cubic root of 616339 is about 85.1020228249.

It can be divided in two parts, 61 and 6339, that added together give a square (6400 = 80²).

The spelling of 616339 in words is "six hundred sixteen thousand, three hundred thirty-nine".