850801 has 8 divisors (see below), whose sum is σ = 1023680. Its totient is φ = 690768.

The previous prime is 850781. The next prime is 850807. The reversal of 850801 is 108058.

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

It is a cyclic number.

It is not a de Polignac number, because 850801 - 2⁷ = 850673 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 3066 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (127960).

2⁸⁵⁰⁸⁰¹ is an apocalyptic number.

It is an amenable number.

850801 is a deficient number, since it is larger than the sum of its proper divisors (172879).

850801 is a wasteful number, since it uses less digits than its factorization.

850801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 850801 is about 922.3887466790. The cubic root of 850801 is about 94.7565697438.

Adding to 850801 its reverse (108058), we get a palindrome (958859).

The spelling of 850801 in words is "eight hundred fifty thousand, eight hundred one".