489526764 has 24 divisors (see below), whose sum is σ = 1209419568. Its totient is φ = 153576960.

The previous prime is 489526759. The next prime is 489526787. The reversal of 489526764 is 467625984.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 1199617 + ... + 1200024.

It is an arithmetic number, because the mean of its divisors is an integer number (50392482).

Almost surely, 2^489526764 is an apocalyptic number.

It is an amenable number.

489526764 is an abundant number, since it is smaller than the sum of its proper divisors (719892804).

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

489526764 is a wasteful number, since it uses less digits than its factorization.

489526764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399665 (or 2399663 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 489526764 is about 22125.2517273815. The cubic root of 489526764 is about 788.1196340647.

The spelling of 489526764 in words is "four hundred eighty-nine million, five hundred twenty-six thousand, seven hundred sixty-four".