516893644 has 6 divisors (see below), whose sum is σ = 904563884. Its totient is φ = 258446820.

The previous prime is 516893627. The next prime is 516893647. The reversal of 516893644 is 446398615.

It is a junction number, because it is equal to n+sod(n) for n = 516893594 and 516893603.

It is not an unprimeable number, because it can be changed into a prime (516893647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64611702 + ... + 64611709.

Almost surely, 2^516893644 is an apocalyptic number.

It is an amenable number.

516893644 is a deficient number, since it is larger than the sum of its proper divisors (387670240).

516893644 is a wasteful number, since it uses less digits than its factorization.

516893644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129223415 (or 129223413 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 516893644 is about 22735.2951157446. The cubic root of 516893644 is about 802.5406954580.

The spelling of 516893644 in words is "five hundred sixteen million, eight hundred ninety-three thousand, six hundred forty-four".