823396467 has 6 divisors (see below), whose sum is σ = 1097928228. Its totient is φ = 548897844.

The previous prime is 823396459. The next prime is 823396471. The reversal of 823396467 is 764693328.

It is not a de Polignac number, because 823396467 - 2³ = 823396459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (823396417) 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 5 ways as a sum of consecutive naturals, for example, 41418 + ... + 57984.

It is an arithmetic number, because the mean of its divisors is an integer number (182988038).

Almost surely, 2^823396467 is an apocalyptic number.

823396467 is a deficient number, since it is larger than the sum of its proper divisors (274531761).

823396467 is an frugal number, since it uses more digits than its factorization.

823396467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33137 (or 16570 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 823396467 is about 28694.8857289936. The cubic root of 823396467 is about 937.2806828484.

Multiplying 823396467 by its sum of digits (48), we get a square (39523030416 = 198804²).

The spelling of 823396467 in words is "eight hundred twenty-three million, three hundred ninety-six thousand, four hundred sixty-seven".