489978804 has 48 divisors (see below), whose sum is σ = 1307956608. Its totient is φ = 139849728.

The previous prime is 489978803. The next prime is 489978877. The reversal of 489978804 is 408879984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489978803) 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 15 ways as a sum of consecutive naturals, for example, 99832 + ... + 104624.

It is an arithmetic number, because the mean of its divisors is an integer number (27249096).

Almost surely, 2^489978804 is an apocalyptic number.

It is an amenable number.

489978804 is an abundant number, since it is smaller than the sum of its proper divisors (817977804).

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

489978804 is a wasteful number, since it uses less digits than its factorization.

489978804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024 (or 6022 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 489978804 is about 22135.4648471633. The cubic root of 489978804 is about 788.3621485513.

The spelling of 489978804 in words is "four hundred eighty-nine million, nine hundred seventy-eight thousand, eight hundred four".