715856 has 10 divisors (see below), whose sum is σ = 1387002. Its totient is φ = 357920.

The previous prime is 715849. The next prime is 715859. The reversal of 715856 is 658517.

It can be written as a sum of positive squares in only one way, i.e., 379456 + 336400 = 616^2 + 580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22355 + ... + 22386.

2⁷¹⁵⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

715856 is a deficient number, since it is larger than the sum of its proper divisors (671146).

715856 is a wasteful number, since it uses less digits than its factorization.

715856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44749 (or 44743 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 715856 is about 846.0827382709. The cubic root of 715856 is about 89.4558108170.

The spelling of 715856 in words is "seven hundred fifteen thousand, eight hundred fifty-six".