489585812 has 6 divisors (see below), whose sum is σ = 856775178. Its totient is φ = 244792904.

The previous prime is 489585781. The next prime is 489585827. The reversal of 489585812 is 218585984.

It can be written as a sum of positive squares in only one way, i.e., 366952336 + 122633476 = 19156^2 + 11074^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61198223 + ... + 61198230.

It is an arithmetic number, because the mean of its divisors is an integer number (142795863).

Almost surely, 2^489585812 is an apocalyptic number.

It is an amenable number.

489585812 is a deficient number, since it is larger than the sum of its proper divisors (367189366).

489585812 is a wasteful number, since it uses less digits than its factorization.

489585812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122396457 (or 122396455 counting only the distinct ones).

The product of its digits is 921600, while the sum is 50.

The square root of 489585812 is about 22126.5860900411. The cubic root of 489585812 is about 788.1513211419.

The spelling of 489585812 in words is "four hundred eighty-nine million, five hundred eighty-five thousand, eight hundred twelve".