489517966 has 16 divisors (see below), whose sum is σ = 840215520. Its totient is φ = 209532960.

The previous prime is 489517961. The next prime is 489517967. The reversal of 489517966 is 669715984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489517961) 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, 9801 + ... + 32788.

It is an arithmetic number, because the mean of its divisors is an integer number (52513470).

Almost surely, 2^489517966 is an apocalyptic number.

489517966 is a deficient number, since it is larger than the sum of its proper divisors (350697554).

489517966 is a wasteful number, since it uses less digits than its factorization.

489517966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43419.

The product of its digits is 3265920, while the sum is 55.

The square root of 489517966 is about 22125.0529038916. The cubic root of 489517966 is about 788.1149125536.

The spelling of 489517966 in words is "four hundred eighty-nine million, five hundred seventeen thousand, nine hundred sixty-six".