826986 has 8 divisors (see below), whose sum is σ = 1653984. Its totient is φ = 275660.

The previous prime is 826979. The next prime is 826997. The reversal of 826986 is 689628.

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

826986 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

826986 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68910 + ... + 68921.

It is an arithmetic number, because the mean of its divisors is an integer number (206748).

2⁸²⁶⁹⁸⁶ is an apocalyptic number.

826986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

826986 is a wasteful number, since it uses less digits than its factorization.

826986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137836.

The product of its digits is 41472, while the sum is 39.

The square root of 826986 is about 909.3877060968. The cubic root of 826986 is about 93.8640709249.

The spelling of 826986 in words is "eight hundred twenty-six thousand, nine hundred eighty-six".