516726 has 32 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 147528.

The previous prime is 516721. The next prime is 516727. The reversal of 516726 is 627615.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 516726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516721) by changing a digit.

516726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306 + ... + 1061.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁵¹⁶⁷²⁶ is an apocalyptic number.

516726 is an abundant number, since it is smaller than the sum of its proper divisors (796554).

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

516726 is a wasteful number, since it uses less digits than its factorization.

516726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1379 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 516726 is about 718.8365600051. The cubic root of 516726 is about 80.2453923462.

Subtracting 516726 from its reverse (627615), we obtain a square (110889 = 333²).

The spelling of 516726 in words is "five hundred sixteen thousand, seven hundred twenty-six".