489528868 has 6 divisors (see below), whose sum is σ = 856675526. Its totient is φ = 244764432.

The previous prime is 489528859. The next prime is 489528869. The reversal of 489528868 is 868825984.

It can be written as a sum of positive squares in only one way, i.e., 439657024 + 49871844 = 20968^2 + 7062^2 .

It is a super-2 number, since 2×489528868² = 479277025210722848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489528869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61191105 + ... + 61191112.

Almost surely, 2^489528868 is an apocalyptic number.

It is an amenable number.

489528868 is a deficient number, since it is larger than the sum of its proper divisors (367146658).

489528868 is a wasteful number, since it uses less digits than its factorization.

489528868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122382221 (or 122382219 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 58.

The square root of 489528868 is about 22125.2992748121. The cubic root of 489528868 is about 788.1207631833.

The spelling of 489528868 in words is "four hundred eighty-nine million, five hundred twenty-eight thousand, eight hundred sixty-eight".