515213984 has 48 divisors (see below), whose sum is σ = 1071947520. Its totient is φ = 243260160.

The previous prime is 515213983. The next prime is 515213989. The reversal of 515213984 is 489312515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (515213983) 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, 53714 + ... + 62574.

It is an arithmetic number, because the mean of its divisors is an integer number (22332240).

Almost surely, 2^515213984 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 515213984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535973760).

515213984 is an abundant number, since it is smaller than the sum of its proper divisors (556733536).

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

515213984 is a wasteful number, since it uses less digits than its factorization.

515213984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973 (or 8965 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 515213984 is about 22698.3255770112. The cubic root of 515213984 is about 801.6704595284.

The spelling of 515213984 in words is "five hundred fifteen million, two hundred thirteen thousand, nine hundred eighty-four".