489851536 has 10 divisors (see below), whose sum is σ = 949087382. Its totient is φ = 244925760.

The previous prime is 489851519. The next prime is 489851543. The reversal of 489851536 is 635158984.

It can be written as a sum of positive squares in only one way, i.e., 473497600 + 16353936 = 21760^2 + 4044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 489851536.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15307845 + ... + 15307876.

Almost surely, 2^489851536 is an apocalyptic number.

It is an amenable number.

489851536 is a deficient number, since it is larger than the sum of its proper divisors (459235846).

489851536 is a wasteful number, since it uses less digits than its factorization.

489851536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30615729 (or 30615723 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 489851536 is about 22132.5899071934. The cubic root of 489851536 is about 788.2938857603.

Adding to 489851536 its product of digits (1036800), we get a square (490888336 = 22156²).

The spelling of 489851536 in words is "four hundred eighty-nine million, eight hundred fifty-one thousand, five hundred thirty-six".