839934044 has 6 divisors (see below), whose sum is σ = 1469884584. Its totient is φ = 419967020.

The previous prime is 839934037. The next prime is 839934059. The reversal of 839934044 is 440439938.

It is a junction number, because it is equal to n+sod(n) for n = 839933986 and 839934004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104991752 + ... + 104991759.

It is an arithmetic number, because the mean of its divisors is an integer number (244980764).

Almost surely, 2^839934044 is an apocalyptic number.

It is an amenable number.

839934044 is a deficient number, since it is larger than the sum of its proper divisors (629950540).

839934044 is a wasteful number, since it uses less digits than its factorization.

839934044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209983515 (or 209983513 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 839934044 is about 28981.6156209415. The cubic root of 839934044 is about 943.5141001610.

The spelling of 839934044 in words is "eight hundred thirty-nine million, nine hundred thirty-four thousand, forty-four".