813342 has 16 divisors (see below), whose sum is σ = 1635840. Its totient is φ = 269592.

The previous prime is 813311. The next prime is 813343. The reversal of 813342 is 243318.

It is a happy number.

813342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813343) by changing a digit.

813342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (102240).

2⁸¹³³⁴² is an apocalyptic number.

813342 is an abundant number, since it is smaller than the sum of its proper divisors (822498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813342 is a wasteful number, since it uses less digits than its factorization.

813342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its digits is 576, while the sum is 21.

The square root of 813342 is about 901.8547554900. The cubic root of 813342 is about 93.3450013757.

The spelling of 813342 in words is "eight hundred thirteen thousand, three hundred forty-two".