823372 has 12 divisors (see below), whose sum is σ = 1571976. Its totient is φ = 374240.

The previous prime is 823357. The next prime is 823373. The reversal of 823372 is 273328.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (823373) by changing a digit.

823372 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9313 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (130998).

2⁸²³³⁷² is an apocalyptic number.

It is an amenable number.

823372 is a deficient number, since it is larger than the sum of its proper divisors (748604).

823372 is a wasteful number, since it uses less digits than its factorization.

823372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728 (or 18726 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 823372 is about 907.3984791700. The cubic root of 823372 is about 93.7271399077.

The spelling of 823372 in words is "eight hundred twenty-three thousand, three hundred seventy-two".