823448 has 8 divisors (see below), whose sum is σ = 1543980. Its totient is φ = 411720.

The previous prime is 823447. The next prime is 823451. The reversal of 823448 is 844328.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 823448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823447) by changing a digit.

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 as a sum of consecutive naturals, namely, 51458 + ... + 51473.

2⁸²³⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

823448 is a deficient number, since it is larger than the sum of its proper divisors (720532).

823448 is a wasteful number, since it uses less digits than its factorization.

823448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102937 (or 102933 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 823448 is about 907.4403561667. The cubic root of 823448 is about 93.7300235955.

The spelling of 823448 in words is "eight hundred twenty-three thousand, four hundred forty-eight".