846636 has 24 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 241872.

The previous prime is 846589. The next prime is 846647. The reversal of 846636 is 636648.

It is a junction number, because it is equal to n+sod(n) for n = 846597 and 846606.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 846636.

It is an unprimeable 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 in 7 ways as a sum of consecutive naturals, for example, 4956 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (94080).

2⁸⁴⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

846636 is an abundant number, since it is smaller than the sum of its proper divisors (1411284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

846636 is a wasteful number, since it uses less digits than its factorization.

846636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093 (or 10091 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 846636 is about 920.1282519301. The cubic root of 846636 is about 94.6016933875.

The spelling of 846636 in words is "eight hundred forty-six thousand, six hundred thirty-six".