516957938 has 16 divisors (see below), whose sum is σ = 904300800. Its totient is φ = 221553108.

The previous prime is 516957929. The next prime is 516957977. The reversal of 516957938 is 839759615.

It is a super-2 number, since 2×516957938² = 534491019322423688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516957938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376106 + ... + 377477.

It is an arithmetic number, because the mean of its divisors is an integer number (56518800).

Almost surely, 2^516957938 is an apocalyptic number.

516957938 is a deficient number, since it is larger than the sum of its proper divisors (387342862).

516957938 is an equidigital number, since it uses as much as digits as its factorization.

516957938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753606 (or 753592 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 53.

The square root of 516957938 is about 22736.7090406681. The cubic root of 516957938 is about 802.5739688485.

The spelling of 516957938 in words is "five hundred sixteen million, nine hundred fifty-seven thousand, nine hundred thirty-eight".