489945004 has 12 divisors (see below), whose sum is σ = 870201304. Its totient is φ = 241316064.

The previous prime is 489944993. The next prime is 489945007. The reversal of 489945004 is 400549984.

It is a super-2 number, since 2×489945004² = 480092213889120032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (489945007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913809 + ... + 914344.

Almost surely, 2^489945004 is an apocalyptic number.

It is an amenable number.

489945004 is a deficient number, since it is larger than the sum of its proper divisors (380256300).

489945004 is a wasteful number, since it uses less digits than its factorization.

489945004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828224 (or 1828222 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 489945004 is about 22134.7013533050. The cubic root of 489945004 is about 788.3440203839.

The spelling of 489945004 in words is "four hundred eighty-nine million, nine hundred forty-five thousand, four".