516989 has 8 divisors (see below), whose sum is σ = 577632. Its totient is φ = 458640.

The previous prime is 516979. The next prime is 516991. The reversal of 516989 is 989615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516989 - 2⁴ = 516973 is a prime.

It is a super-2 number, since 2×516989² = 534555252242, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516989.

It is not an unprimeable number, because it can be changed into a prime (516949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (72204).

2⁵¹⁶⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

516989 is a deficient number, since it is larger than the sum of its proper divisors (60643).

516989 is a wasteful number, since it uses less digits than its factorization.

516989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its digits is 19440, while the sum is 38.

The square root of 516989 is about 719.0194712245. The cubic root of 516989 is about 80.2590043047.

The spelling of 516989 in words is "five hundred sixteen thousand, nine hundred eighty-nine".