804838 has 4 divisors (see below), whose sum is σ = 1207260. Its totient is φ = 402418.

The previous prime is 804833. The next prime is 804847. The reversal of 804838 is 838408.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804833) by changing a digit.

804838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 201208 + ... + 201211.

It is an arithmetic number, because the mean of its divisors is an integer number (301815).

2⁸⁰⁴⁸³⁸ is an apocalyptic number.

804838 is a deficient number, since it is larger than the sum of its proper divisors (402422).

804838 is a wasteful number, since it uses less digits than its factorization.

804838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402421.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 804838 is about 897.1276386334. The cubic root of 804838 is about 93.0185340946.

The spelling of 804838 in words is "eight hundred four thousand, eight hundred thirty-eight".