823952472 has 64 divisors (see below), whose sum is σ = 2430105600. Its totient is φ = 227819520.

The previous prime is 823952471. The next prime is 823952497. The reversal of 823952472 is 274259328.

It is a super-2 number, since 2×823952472² = 1357795352229821568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823952471) 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 15 ways as a sum of consecutive naturals, for example, 73897 + ... + 84312.

It is an arithmetic number, because the mean of its divisors is an integer number (37970400).

Almost surely, 2^823952472 is an apocalyptic number.

It is an amenable number.

823952472 is an abundant number, since it is smaller than the sum of its proper divisors (1606153128).

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

823952472 is a wasteful number, since it uses less digits than its factorization.

823952472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158256 (or 158252 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 823952472 is about 28704.5723187091. The cubic root of 823952472 is about 937.4916041204.

The spelling of 823952472 in words is "eight hundred twenty-three million, nine hundred fifty-two thousand, four hundred seventy-two".