489976766 has 8 divisors (see below), whose sum is σ = 747013944. Its totient is φ = 240972120.

The previous prime is 489976763. The next prime is 489976777. The reversal of 489976766 is 667679984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 489976699 and 489976708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489976763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007980 + ... + 2008223.

It is an arithmetic number, because the mean of its divisors is an integer number (93376743).

Almost surely, 2^489976766 is an apocalyptic number.

489976766 is a deficient number, since it is larger than the sum of its proper divisors (257037178).

489976766 is a wasteful number, since it uses less digits than its factorization.

489976766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016266.

The product of its digits is 27433728, while the sum is 62.

The square root of 489976766 is about 22135.4188123921. The cubic root of 489976766 is about 788.3610555215.

The spelling of 489976766 in words is "four hundred eighty-nine million, nine hundred seventy-six thousand, seven hundred sixty-six".