516003404 has 24 divisors (see below), whose sum is σ = 1032487680. Its totient is φ = 221041296.

The previous prime is 516003403. The next prime is 516003421. The reversal of 516003404 is 404300615.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 516003404.

It is not an unprimeable number, because it can be changed into a prime (516003403) 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, 117089 + ... + 121415.

It is an arithmetic number, because the mean of its divisors is an integer number (43020320).

Almost surely, 2^516003404 is an apocalyptic number.

It is an amenable number.

516003404 is an abundant number, since it is smaller than the sum of its proper divisors (516484276).

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

516003404 is a wasteful number, since it uses less digits than its factorization.

516003404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8597 (or 8595 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 516003404 is about 22715.7083094497. The cubic root of 516003404 is about 802.0796951502.

The spelling of 516003404 in words is "five hundred sixteen million, three thousand, four hundred four".