826530 has 16 divisors (see below), whose sum is σ = 1983744. Its totient is φ = 220400.

The previous prime is 826499. The next prime is 826541. The reversal of 826530 is 35628.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 826530.

It is an unprimeable number.

826530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13746 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (123984).

2⁸²⁶⁵³⁰ is an apocalyptic number.

826530 is an abundant number, since it is smaller than the sum of its proper divisors (1157214).

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

826530 is a wasteful number, since it uses less digits than its factorization.

826530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27561.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 826530 is about 909.1369533794. The cubic root of 826530 is about 93.8468155398.

The spelling of 826530 in words is "eight hundred twenty-six thousand, five hundred thirty".