851936 has 24 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 419328.

The previous prime is 851899. The next prime is 851953. The reversal of 851936 is 639158.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 2.

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 851936.

It is an unprimeable number.

851936 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 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2⁸⁵¹⁹³⁶ is an apocalyptic number.

It is an amenable number.

851936 is a deficient number, since it is larger than the sum of its proper divisors (851584).

851936 is a wasteful number, since it uses less digits than its factorization.

851936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 851936 is about 923.0037919749. The cubic root of 851936 is about 94.7986872767.

The spelling of 851936 in words is "eight hundred fifty-one thousand, nine hundred thirty-six".