515368 has 16 divisors (see below), whose sum is σ = 1104480. Its totient is φ = 220848.

The previous prime is 515357. The next prime is 515369. The reversal of 515368 is 863515.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (515369) by changing a digit.

515368 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4546 + ... + 4657.

It is an arithmetic number, because the mean of its divisors is an integer number (69030).

2⁵¹⁵³⁶⁸ is an apocalyptic number.

It is an amenable number.

515368 is an abundant number, since it is smaller than the sum of its proper divisors (589112).

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

515368 is a wasteful number, since it uses less digits than its factorization.

515368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216 (or 9212 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 515368 is about 717.8913566829. The cubic root of 515368 is about 80.1750334286.

The spelling of 515368 in words is "five hundred fifteen thousand, three hundred sixty-eight".