516946389 has 8 divisors (see below), whose sum is σ = 689502240. Its totient is φ = 344510736.

The previous prime is 516946363. The next prime is 516946393. The reversal of 516946389 is 983649615.

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

It is not a de Polignac number, because 516946389 - 2¹³ = 516938197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516946399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19482 + ... + 37595.

It is an arithmetic number, because the mean of its divisors is an integer number (86187780).

Almost surely, 2^516946389 is an apocalyptic number.

It is an amenable number.

516946389 is a deficient number, since it is larger than the sum of its proper divisors (172555851).

516946389 is a wasteful number, since it uses less digits than its factorization.

516946389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60099.

The product of its digits is 1399680, while the sum is 51.

The square root of 516946389 is about 22736.4550666985. The cubic root of 516946389 is about 802.5679922205.

The spelling of 516946389 in words is "five hundred sixteen million, nine hundred forty-six thousand, three hundred eighty-nine".