516693940 has 24 divisors (see below), whose sum is σ = 1240065792. Its totient is φ = 177152160.

The previous prime is 516693929. The next prime is 516693949. The reversal of 516693940 is 49396615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516693949) 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 7 ways as a sum of consecutive naturals, for example, 1845196 + ... + 1845475.

It is an arithmetic number, because the mean of its divisors is an integer number (51669408).

Almost surely, 2^516693940 is an apocalyptic number.

It is an amenable number.

516693940 is an abundant number, since it is smaller than the sum of its proper divisors (723371852).

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

516693940 is a wasteful number, since it uses less digits than its factorization.

516693940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690687 (or 3690685 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 516693940 is about 22730.9027537403. The cubic root of 516693940 is about 802.4373271708.

The spelling of 516693940 in words is "five hundred sixteen million, six hundred ninety-three thousand, nine hundred forty".