489879748 has 12 divisors (see below), whose sum is σ = 858997440. Its totient is φ = 244451912.

The previous prime is 489879739. The next prime is 489879751. The reversal of 489879748 is 847978984.

It is a self number, because there is not a number n which added to its sum of digits gives 489879748.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119728 + ... + 123751.

It is an arithmetic number, because the mean of its divisors is an integer number (71583120).

Almost surely, 2^489879748 is an apocalyptic number.

It is an amenable number.

489879748 is a deficient number, since it is larger than the sum of its proper divisors (369117692).

489879748 is a wasteful number, since it uses less digits than its factorization.

489879748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243986 (or 243984 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 64.

The square root of 489879748 is about 22133.2272387015. The cubic root of 489879748 is about 788.3090188626.

The spelling of 489879748 in words is "four hundred eighty-nine million, eight hundred seventy-nine thousand, seven hundred forty-eight".