969823 has 4 divisors (see below), whose sum is σ = 977040. Its totient is φ = 962608.

The previous prime is 969821. The next prime is 969851. The reversal of 969823 is 328969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328969 = 23 ⋅14303.

It is a cyclic number.

It is not a de Polignac number, because 969823 - 2¹ = 969821 is a prime.

It is a Duffinian number.

969823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3403 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (244260).

2⁹⁶⁹⁸²³ is an apocalyptic number.

969823 is a deficient number, since it is larger than the sum of its proper divisors (7217).

969823 is a wasteful number, since it uses less digits than its factorization.

969823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216.

The product of its digits is 23328, while the sum is 37.

The square root of 969823 is about 984.7959179444. The cubic root of 969823 is about 98.9838085278.

The spelling of 969823 in words is "nine hundred sixty-nine thousand, eight hundred twenty-three".