489379764 has 24 divisors (see below), whose sum is σ = 1178722048. Its totient is φ = 157864320.

The previous prime is 489379757. The next prime is 489379771. The reversal of 489379764 is 467973984.

It is an interprime number because it is at equal distance from previous prime (489379757) and next prime (489379771).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 657397 + ... + 658140.

Almost surely, 2^489379764 is an apocalyptic number.

It is an amenable number.

489379764 is an abundant number, since it is smaller than the sum of its proper divisors (689342284).

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

489379764 is a wasteful number, since it uses less digits than its factorization.

489379764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315575 (or 1315573 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 489379764 is about 22121.9294818513. The cubic root of 489379764 is about 788.0407380143.

The spelling of 489379764 in words is "four hundred eighty-nine million, three hundred seventy-nine thousand, seven hundred sixty-four".