516393897 has 8 divisors (see below), whose sum is σ = 697957344. Its totient is φ = 339546528.

The previous prime is 516393883. The next prime is 516393929. The reversal of 516393897 is 798393615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 516393897 - 2¹¹ = 516391849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516393817) 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, 1178763 + ... + 1179200.

It is an arithmetic number, because the mean of its divisors is an integer number (87244668).

Almost surely, 2^516393897 is an apocalyptic number.

It is an amenable number.

516393897 is a deficient number, since it is larger than the sum of its proper divisors (181563447).

516393897 is a wasteful number, since it uses less digits than its factorization.

516393897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358039.

The product of its digits is 1224720, while the sum is 51.

The square root of 516393897 is about 22724.3019034689. The cubic root of 516393897 is about 802.2819725831.

The spelling of 516393897 in words is "five hundred sixteen million, three hundred ninety-three thousand, eight hundred ninety-seven".