823934028 has 48 divisors (see below), whose sum is σ = 1955923200. Its totient is φ = 269907264.

The previous prime is 823934021. The next prime is 823934047. The reversal of 823934028 is 820439328.

It is not an unprimeable number, because it can be changed into a prime (823934021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196126 + ... + 200282.

It is an arithmetic number, because the mean of its divisors is an integer number (40748400).

Almost surely, 2^823934028 is an apocalyptic number.

It is an amenable number.

823934028 is an abundant number, since it is smaller than the sum of its proper divisors (1131989172).

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

823934028 is a wasteful number, since it uses less digits than its factorization.

823934028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 823934028 is about 28704.2510440527. The cubic root of 823934028 is about 937.4846088851.

The spelling of 823934028 in words is "eight hundred twenty-three million, nine hundred thirty-four thousand, twenty-eight".