489966698 has 8 divisors (see below), whose sum is σ = 791484708. Its totient is φ = 226138464.

The previous prime is 489966689. The next prime is 489966727. The reversal of 489966698 is 896669984.

It can be written as a sum of positive squares in 2 ways, for example, as 437939329 + 52027369 = 20927^2 + 7213^2 .

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

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, 9422411 + ... + 9422462.

Almost surely, 2^489966698 is an apocalyptic number.

489966698 is a deficient number, since it is larger than the sum of its proper divisors (301518010).

489966698 is a wasteful number, since it uses less digits than its factorization.

489966698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18844888.

The product of its digits is 40310784, while the sum is 65.

The square root of 489966698 is about 22135.1913928929. The cubic root of 489966698 is about 788.3556557597.

The spelling of 489966698 in words is "four hundred eighty-nine million, nine hundred sixty-six thousand, six hundred ninety-eight".