845339 has 16 divisors (see below), whose sum is σ = 992256. Its totient is φ = 712800.

The previous prime is 845333. The next prime is 845347. The reversal of 845339 is 933548.

It is not a de Polignac number, because 845339 - 2⁸ = 845083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845333) 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 15 ways as a sum of consecutive naturals, for example, 12584 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (62016).

2⁸⁴⁵³³⁹ is an apocalyptic number.

845339 is a deficient number, since it is larger than the sum of its proper divisors (146917).

845339 is a wasteful number, since it uses less digits than its factorization.

845339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146.

The product of its digits is 12960, while the sum is 32.

The square root of 845339 is about 919.4231887439. The cubic root of 845339 is about 94.5533604930.

Subtracting 845339 from its reverse (933548), we obtain a square (88209 = 297²).

The spelling of 845339 in words is "eight hundred forty-five thousand, three hundred thirty-nine".