516324404 has 12 divisors (see below), whose sum is σ = 912883524. Its totient is φ = 255500544.

The previous prime is 516324371. The next prime is 516324433. The reversal of 516324404 is 404423615.

It can be written as a sum of positive squares in 2 ways, for example, as 370639504 + 145684900 = 19252^2 + 12070^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664979 + ... + 665754.

It is an arithmetic number, because the mean of its divisors is an integer number (76073627).

Almost surely, 2^516324404 is an apocalyptic number.

It is an amenable number.

516324404 is a deficient number, since it is larger than the sum of its proper divisors (396559120).

516324404 is a wasteful number, since it uses less digits than its factorization.

516324404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330834 (or 1330832 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 516324404 is about 22722.7728061520. The cubic root of 516324404 is about 802.2459823035.

The spelling of 516324404 in words is "five hundred sixteen million, three hundred twenty-four thousand, four hundred four".