489969758 has 16 divisors (see below), whose sum is σ = 774625920. Its totient is φ = 231794136.

The previous prime is 489969757. The next prime is 489969763. The reversal of 489969758 is 857969984.

It is a junction number, because it is equal to n+sod(n) for n = 489969694 and 489969703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489969757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23441 + ... + 39107.

It is an arithmetic number, because the mean of its divisors is an integer number (48414120).

Almost surely, 2^489969758 is an apocalyptic number.

489969758 is a deficient number, since it is larger than the sum of its proper divisors (284656162).

489969758 is a wasteful number, since it uses less digits than its factorization.

489969758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511.

The product of its digits is 39191040, while the sum is 65.

The square root of 489969758 is about 22135.2605134884. The cubic root of 489969758 is about 788.3572969347.

The spelling of 489969758 in words is "four hundred eighty-nine million, nine hundred sixty-nine thousand, seven hundred fifty-eight".