839956323 has 16 divisors (see below), whose sum is σ = 1138260896. Its totient is φ = 550851840.

The previous prime is 839956309. The next prime is 839956333. The reversal of 839956323 is 323659938.

It is a Cunningham number, because it is equal to 28982²-1.

It is not a de Polignac number, because 839956323 - 2⁶ = 839956259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (839956333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82113 + ... + 91773.

It is an arithmetic number, because the mean of its divisors is an integer number (71141306).

Almost surely, 2^839956323 is an apocalyptic number.

839956323 is a deficient number, since it is larger than the sum of its proper divisors (298304573).

839956323 is a wasteful number, since it uses less digits than its factorization.

839956323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134.

The product of its digits is 1049760, while the sum is 48.

The square root of 839956323 is about 28981.9999827479. Note that the first 4 decimals coincide. The cubic root of 839956323 is about 943.5224422307.

The spelling of 839956323 in words is "eight hundred thirty-nine million, nine hundred fifty-six thousand, three hundred twenty-three".