808340 has 24 divisors (see below), whose sum is σ = 1828680. Its totient is φ = 298368.

The previous prime is 808309. The next prime is 808343. The reversal of 808340 is 43808.

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 806404 = 44^2 + 898^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808343) by changing a digit.

808340 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, 1295 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (76195).

2⁸⁰⁸³⁴⁰ is an apocalyptic number.

It is an amenable number.

808340 is an abundant number, since it is smaller than the sum of its proper divisors (1020340).

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

808340 is a wasteful number, since it uses less digits than its factorization.

808340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 808340 is about 899.0773047964. The cubic root of 808340 is about 93.1532525422.

The spelling of 808340 in words is "eight hundred eight thousand, three hundred forty".