516728 has 8 divisors (see below), whose sum is σ = 968880. Its totient is φ = 258360.

The previous prime is 516727. The next prime is 516757. The reversal of 516728 is 827615.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 516728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516721) 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 as a sum of consecutive naturals, namely, 32288 + ... + 32303.

It is an arithmetic number, because the mean of its divisors is an integer number (121110).

2⁵¹⁶⁷²⁸ is an apocalyptic number.

It is an amenable number.

516728 is a deficient number, since it is larger than the sum of its proper divisors (452152).

516728 is a wasteful number, since it uses less digits than its factorization.

516728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64597 (or 64593 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 516728 is about 718.8379511406. The cubic root of 516728 is about 80.2454958766.

The spelling of 516728 in words is "five hundred sixteen thousand, seven hundred twenty-eight".