516704388 has 12 divisors (see below), whose sum is σ = 1205643600. Its totient is φ = 172234792.

The previous prime is 516704381. The next prime is 516704389. The reversal of 516704388 is 883407615.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (516704381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21529338 + ... + 21529361.

It is an arithmetic number, because the mean of its divisors is an integer number (100470300).

Almost surely, 2^516704388 is an apocalyptic number.

It is an amenable number.

516704388 is an abundant number, since it is smaller than the sum of its proper divisors (688939212).

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

516704388 is a wasteful number, since it uses less digits than its factorization.

516704388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43058706 (or 43058704 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 516704388 is about 22731.1325718716. The cubic root of 516704388 is about 802.4427357941.

The spelling of 516704388 in words is "five hundred sixteen million, seven hundred four thousand, three hundred eighty-eight".