515980 has 12 divisors (see below), whose sum is σ = 1083600. Its totient is φ = 206384.

The previous prime is 515969. The next prime is 515993. The reversal of 515980 is 89515.

It is an unprimeable number.

515980 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12880 + ... + 12919.

It is an arithmetic number, because the mean of its divisors is an integer number (90300).

2⁵¹⁵⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

515980 is an abundant number, since it is smaller than the sum of its proper divisors (567620).

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

515980 is a wasteful number, since it uses less digits than its factorization.

515980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25808 (or 25806 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 515980 is about 718.3174785567. The cubic root of 515980 is about 80.2067568514.

The spelling of 515980 in words is "five hundred fifteen thousand, nine hundred eighty".