516889 has 4 divisors (see below), whose sum is σ = 518580. Its totient is φ = 515200.

The previous prime is 516883. The next prime is 516907. The reversal of 516889 is 988615.

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

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 38025 = 692^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 516889 - 2⁹ = 516377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516883) 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, 244 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (129645).

2⁵¹⁶⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

516889 is a deficient number, since it is larger than the sum of its proper divisors (1691).

516889 is a wasteful number, since it uses less digits than its factorization.

516889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 17280, while the sum is 37.

The square root of 516889 is about 718.9499287155. The cubic root of 516889 is about 80.2538291991.

The spelling of 516889 in words is "five hundred sixteen thousand, eight hundred eighty-nine".