850646 has 16 divisors (see below), whose sum is σ = 1368576. Its totient is φ = 395136.

The previous prime is 850637. The next prime is 850673. The reversal of 850646 is 646058.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850646.

It is an unprimeable number.

850646 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 4416.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2⁸⁵⁰⁶⁴⁶ is an apocalyptic number.

850646 is a deficient number, since it is larger than the sum of its proper divisors (517930).

850646 is a wasteful number, since it uses less digits than its factorization.

850646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 850646 is about 922.3047218788. The cubic root of 850646 is about 94.7508151038.

The spelling of 850646 in words is "eight hundred fifty thousand, six hundred forty-six".