520343416 has 16 divisors (see below), whose sum is σ = 989010000. Its totient is φ = 256607424.

The previous prime is 520343413. The next prime is 520343419. The reversal of 520343416 is 614343025.

It is an interprime number because it is at equal distance from previous prime (520343413) and next prime (520343419).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520343413) 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 3 ways as a sum of consecutive naturals, for example, 444916 + ... + 446083.

It is an arithmetic number, because the mean of its divisors is an integer number (61813125).

Almost surely, 2^520343416 is an apocalyptic number.

It is an amenable number.

520343416 is a deficient number, since it is larger than the sum of its proper divisors (468666584).

520343416 is a wasteful number, since it uses less digits than its factorization.

520343416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891078 (or 891074 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 520343416 is about 22811.0371530976. The cubic root of 520343416 is about 804.3221360390.

The spelling of 520343416 in words is "five hundred twenty million, three hundred forty-three thousand, four hundred sixteen".