826905 has 8 divisors (see below), whose sum is σ = 1323072. Its totient is φ = 441008.

The previous prime is 826883. The next prime is 826907. The reversal of 826905 is 509628.

826905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 826905 - 2⁹ = 826393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (826907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27549 + ... + 27578.

It is an arithmetic number, because the mean of its divisors is an integer number (165384).

2⁸²⁶⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

826905 is a deficient number, since it is larger than the sum of its proper divisors (496167).

826905 is a wasteful number, since it uses less digits than its factorization.

826905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55135.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 826905 is about 909.3431695460. The cubic root of 826905 is about 93.8610062870.

The spelling of 826905 in words is "eight hundred twenty-six thousand, nine hundred five".