822963 has 8 divisors (see below), whose sum is σ = 1145088. Its totient is φ = 524744.

The previous prime is 822949. The next prime is 822971. The reversal of 822963 is 369228.

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 822963 - 2¹⁰ = 821939 is a prime.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 822963.

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 822963.

It is not an unprimeable number, because it can be changed into a prime (822973) 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 7 ways as a sum of consecutive naturals, for example, 5895 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (143136).

2⁸²²⁹⁶³ is an apocalyptic number.

822963 is a deficient number, since it is larger than the sum of its proper divisors (322125).

822963 is a wasteful number, since it uses less digits than its factorization.

822963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11953.

The product of its digits is 5184, while the sum is 30.

The square root of 822963 is about 907.1730816112. The cubic root of 822963 is about 93.7116180661.

The spelling of 822963 in words is "eight hundred twenty-two thousand, nine hundred sixty-three".