489139708 has 12 divisors (see below), whose sum is σ = 906347232. Its totient is φ = 230183360.

The previous prime is 489139697. The next prime is 489139709. The reversal of 489139708 is 807931984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489139709) 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, 3596548 + ... + 3596683.

It is an arithmetic number, because the mean of its divisors is an integer number (75528936).

Almost surely, 2^489139708 is an apocalyptic number.

It is an amenable number.

489139708 is a deficient number, since it is larger than the sum of its proper divisors (417207524).

489139708 is a wasteful number, since it uses less digits than its factorization.

489139708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193252 (or 7193250 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 489139708 is about 22116.5030689754. The cubic root of 489139708 is about 787.9118641065.

The spelling of 489139708 in words is "four hundred eighty-nine million, one hundred thirty-nine thousand, seven hundred eight".