489669696 has 42 divisors (see below), whose sum is σ = 1403551422. Its totient is φ = 163223040.

The previous prime is 489669679. The next prime is 489669721. The reversal of 489669696 is 696966984.

489669696 is a `hidden beast` number, since 489 + 6 + 69 + 6 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 487526400 + 2143296 = 22080^2 + 1464^2 .

It is a super-2 number, since 2×489669696² = 479552822361464832, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424485 + ... + 425636.

It is an arithmetic number, because the mean of its divisors is an integer number (33417891).

Almost surely, 2^489669696 is an apocalyptic number.

It is an amenable number.

489669696 is an abundant number, since it is smaller than the sum of its proper divisors (913881726).

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

489669696 is a wasteful number, since it uses less digits than its factorization.

489669696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850139 (or 850126 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The square root of 489669696 is about 22128.4815565822. The cubic root of 489669696 is about 788.1963316442.

The spelling of 489669696 in words is "four hundred eighty-nine million, six hundred sixty-nine thousand, six hundred ninety-six".