520003416 has 32 divisors (see below), whose sum is σ = 1301952960. Its totient is φ = 173075232.

The previous prime is 520003399. The next prime is 520003417. The reversal of 520003416 is 614300025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 520003392 and 520003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520003417) 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, 531 + ... + 32253.

It is an arithmetic number, because the mean of its divisors is an integer number (40686030).

Almost surely, 2^520003416 is an apocalyptic number.

It is an amenable number.

520003416 is an abundant number, since it is smaller than the sum of its proper divisors (781949544).

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

520003416 is a wasteful number, since it uses less digits than its factorization.

520003416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32415 (or 32411 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 520003416 is about 22803.5834026146. The cubic root of 520003416 is about 804.1469125856.

The spelling of 520003416 in words is "five hundred twenty million, three thousand, four hundred sixteen".