826285 has 8 divisors (see below), whose sum is σ = 1049976. Its totient is φ = 622080.

The previous prime is 826283. The next prime is 826289. The reversal of 826285 is 582628.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 806404 = 141^2 + 898^2 .

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

It is not a de Polignac number, because 826285 - 2¹ = 826283 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826283) 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, 4776 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (131247).

2⁸²⁶²⁸⁵ is an apocalyptic number.

826285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

826285 is a deficient number, since it is larger than the sum of its proper divisors (223691).

826285 is a wasteful number, since it uses less digits than its factorization.

826285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743.

The product of its digits is 7680, while the sum is 31.

The square root of 826285 is about 909.0022002174. The cubic root of 826285 is about 93.8375419333.

It can be divided in two parts, 826 and 285, that added together give a palindrome (1111).

The spelling of 826285 in words is "eight hundred twenty-six thousand, two hundred eighty-five".