863226 has 96 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 207360.

The previous prime is 863197. The next prime is 863231. The reversal of 863226 is 622368.

863226 is a `hidden beast` number, since 8 + 632 + 26 = 666.

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 863226.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 863226.

It is an unprimeable number.

863226 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 (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27831 + ... + 27861.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2⁸⁶³²²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257984).

863226 is an abundant number, since it is smaller than the sum of its proper divisors (1652742).

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

863226 is a wasteful number, since it uses less digits than its factorization.

863226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 73 counting only the distinct ones).

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

The square root of 863226 is about 929.0995640942. The cubic root of 863226 is about 95.2156136856.

It can be divided in two parts, 863 and 226, that added together give a square (1089 = 33²).

The spelling of 863226 in words is "eight hundred sixty-three thousand, two hundred twenty-six".