716831 has 4 divisors (see below), whose sum is σ = 719664. Its totient is φ = 714000.

The previous prime is 716827. The next prime is 716857. The reversal of 716831 is 138617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 716831 - 2² = 716827 is a prime.

It is a super-2 number, since 2×716831² = 1027693365122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995 + ... + 1556.

It is an arithmetic number, because the mean of its divisors is an integer number (179916).

2⁷¹⁶⁸³¹ is an apocalyptic number.

716831 is a deficient number, since it is larger than the sum of its proper divisors (2833).

716831 is a wasteful number, since it uses less digits than its factorization.

716831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its digits is 1008, while the sum is 26.

The square root of 716831 is about 846.6587269969. The cubic root of 716831 is about 89.4964055026.

The spelling of 716831 in words is "seven hundred sixteen thousand, eight hundred thirty-one".