489477236 has 6 divisors (see below), whose sum is σ = 856585170. Its totient is φ = 244738616.

The previous prime is 489477227. The next prime is 489477239. The reversal of 489477236 is 632774984.

It can be written as a sum of positive squares in only one way, i.e., 431808400 + 57668836 = 20780^2 + 7594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489477239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61184651 + ... + 61184658.

It is an arithmetic number, because the mean of its divisors is an integer number (142764195).

Almost surely, 2^489477236 is an apocalyptic number.

It is an amenable number.

489477236 is a deficient number, since it is larger than the sum of its proper divisors (367107934).

489477236 is a wasteful number, since it uses less digits than its factorization.

489477236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122369313 (or 122369311 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 489477236 is about 22124.1324349679. The cubic root of 489477236 is about 788.0930537640.

The spelling of 489477236 in words is "four hundred eighty-nine million, four hundred seventy-seven thousand, two hundred thirty-six".