518315346 has 24 divisors (see below), whose sum is σ = 1189077084. Its totient is φ = 162608640.

The previous prime is 518315341. The next prime is 518315393. The reversal of 518315346 is 643513815.

It can be written as a sum of positive squares in 2 ways, for example, as 465912225 + 52403121 = 21585^2 + 7239^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 518315346.

It is not an unprimeable number, because it can be changed into a prime (518315341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846615 + ... + 847226.

Almost surely, 2^518315346 is an apocalyptic number.

518315346 is an abundant number, since it is smaller than the sum of its proper divisors (670761738).

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

518315346 is a wasteful number, since it uses less digits than its factorization.

518315346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693866 (or 1693863 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 518315346 is about 22766.5400533327. The cubic root of 518315346 is about 803.2758107298.

The spelling of 518315346 in words is "five hundred eighteen million, three hundred fifteen thousand, three hundred forty-six".