489967904 has 12 divisors (see below), whose sum is σ = 964624374. Its totient is φ = 244983936.

The previous prime is 489967901. The next prime is 489967909. The reversal of 489967904 is 409769984.

It can be written as a sum of positive squares in only one way, i.e., 467424400 + 22543504 = 21620^2 + 4748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 489967904.

It is not an unprimeable number, because it can be changed into a prime (489967901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7655717 + ... + 7655780.

Almost surely, 2^489967904 is an apocalyptic number.

It is an amenable number.

489967904 is a deficient number, since it is larger than the sum of its proper divisors (474656470).

489967904 is a wasteful number, since it uses less digits than its factorization.

489967904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311507 (or 15311499 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 489967904 is about 22135.2186345651. The cubic root of 489967904 is about 788.3563025766.

The spelling of 489967904 in words is "four hundred eighty-nine million, nine hundred sixty-seven thousand, nine hundred four".