804842 has 8 divisors (see below), whose sum is σ = 1219296. Its totient is φ = 398412.

The previous prime is 804833. The next prime is 804847. The reversal of 804842 is 248408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (804847) 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, 1748 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (152412).

2⁸⁰⁴⁸⁴² is an apocalyptic number.

804842 is a deficient number, since it is larger than the sum of its proper divisors (414454).

804842 is a wasteful number, since it uses less digits than its factorization.

804842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 804842 is about 897.1298679678. The cubic root of 804842 is about 93.0186881934.

The spelling of 804842 in words is "eight hundred four thousand, eight hundred forty-two".