813339 has 6 divisors (see below), whose sum is σ = 1174836. Its totient is φ = 542220.

The previous prime is 813311. The next prime is 813343. The reversal of 813339 is 933318.

813339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 813339 - 2⁸ = 813083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (818339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45177 + ... + 45194.

It is an arithmetic number, because the mean of its divisors is an integer number (195806).

2⁸¹³³³⁹ is an apocalyptic number.

813339 is a deficient number, since it is larger than the sum of its proper divisors (361497).

813339 is a wasteful number, since it uses less digits than its factorization.

813339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90377 (or 90374 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 813339 is about 901.8530922495. The cubic root of 813339 is about 93.3448866084.

The spelling of 813339 in words is "eight hundred thirteen thousand, three hundred thirty-nine".