712916838 has 12 divisors (see below), whose sum is σ = 1544653188. Its totient is φ = 237638940.

The previous prime is 712916819. The next prime is 712916843. The reversal of 712916838 is 838619217.

It is a junction number, because it is equal to n+sod(n) for n = 712916793 and 712916802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19803228 + ... + 19803263.

It is an arithmetic number, because the mean of its divisors is an integer number (128721099).

Almost surely, 2^712916838 is an apocalyptic number.

712916838 is an abundant number, since it is smaller than the sum of its proper divisors (831736350).

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

712916838 is a wasteful number, since it uses less digits than its factorization.

712916838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39606499 (or 39606496 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 712916838 is about 26700.5025795396. The cubic root of 712916838 is about 893.3321363626.

The spelling of 712916838 in words is "seven hundred twelve million, nine hundred sixteen thousand, eight hundred thirty-eight".