850804 has 6 divisors (see below), whose sum is σ = 1488914. Its totient is φ = 425400.

The previous prime is 850781. The next prime is 850807. The reversal of 850804 is 408058.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 40804 = 900^2 + 202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106347 + ... + 106354.

2⁸⁵⁰⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

850804 is a deficient number, since it is larger than the sum of its proper divisors (638110).

850804 is a wasteful number, since it uses less digits than its factorization.

850804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212705 (or 212703 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 850804 is about 922.3903728899. The cubic root of 850804 is about 94.7566811170.

The spelling of 850804 in words is "eight hundred fifty thousand, eight hundred four".