823400496 has 30 divisors (see below), whose sum is σ = 2304378180. Its totient is φ = 274466784.

The previous prime is 823400477. The next prime is 823400503. The reversal of 823400496 is 694004328.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 823400496.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2858886 + ... + 2859173.

It is an arithmetic number, because the mean of its divisors is an integer number (76812606).

Almost surely, 2^823400496 is an apocalyptic number.

It is an amenable number.

823400496 is an abundant number, since it is smaller than the sum of its proper divisors (1480977684).

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

823400496 is a wasteful number, since it uses less digits than its factorization.

823400496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718073 (or 5718064 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 823400496 is about 28694.9559330556. The cubic root of 823400496 is about 937.2822115967.

The spelling of 823400496 in words is "eight hundred twenty-three million, four hundred thousand, four hundred ninety-six".