515964992 has 56 divisors (see below), whose sum is σ = 1082844672. Its totient is φ = 243532800.

The previous prime is 515964989. The next prime is 515964997. The reversal of 515964992 is 299469515.

It is a self number, because there is not a number n which added to its sum of digits gives 515964992.

It is not an unprimeable number, because it can be changed into a prime (515964997) 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, 78173 + ... + 84515.

It is an arithmetic number, because the mean of its divisors is an integer number (19336512).

Almost surely, 2^515964992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515964992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541422336).

515964992 is an abundant number, since it is smaller than the sum of its proper divisors (566879680).

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

515964992 is a wasteful number, since it uses less digits than its factorization.

515964992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427 (or 6417 counting only the distinct ones).

The product of its digits is 874800, while the sum is 50.

The square root of 515964992 is about 22714.8627994976. The cubic root of 515964992 is about 802.0597920194.

The spelling of 515964992 in words is "five hundred fifteen million, nine hundred sixty-four thousand, nine hundred ninety-two".