823266 has 12 divisors (see below), whose sum is σ = 1783782. Its totient is φ = 274416.

The previous prime is 823261. The next prime is 823271. The reversal of 823266 is 662328.

It is an interprime number because it is at equal distance from previous prime (823261) and next prime (823271).

It can be written as a sum of positive squares in only one way, i.e., 772641 + 50625 = 879^2 + 225^2 .

It is not an unprimeable number, because it can be changed into a prime (823261) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 22851 + ... + 22886.

2⁸²³²⁶⁶ is an apocalyptic number.

823266 is an abundant number, since it is smaller than the sum of its proper divisors (960516).

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

823266 is a wasteful number, since it uses less digits than its factorization.

823266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45745 (or 45742 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 823266 is about 907.3400685520. The cubic root of 823266 is about 93.7231176257.

It can be divided in two parts, 823 and 266, that added together give a square (1089 = 33²).

The spelling of 823266 in words is "eight hundred twenty-three thousand, two hundred sixty-six".