516689228 has 72 divisors (see below), whose sum is σ = 1058339520. Its totient is φ = 218840320.

The previous prime is 516689207. The next prime is 516689281. The reversal of 516689228 is 822986615.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2276051 + ... + 2276277.

It is an arithmetic number, because the mean of its divisors is an integer number (14699160).

Almost surely, 2^516689228 is an apocalyptic number.

It is an amenable number.

516689228 is an abundant number, since it is smaller than the sum of its proper divisors (541650292).

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

516689228 is a wasteful number, since it uses less digits than its factorization.

516689228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 436 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 516689228 is about 22730.7991060587. The cubic root of 516689228 is about 802.4348878827.

The spelling of 516689228 in words is "five hundred sixteen million, six hundred eighty-nine thousand, two hundred twenty-eight".