489506900 has 18 divisors (see below), whose sum is σ = 1062230190. Its totient is φ = 195802720.

The previous prime is 489506879. The next prime is 489506951. The reversal of 489506900 is 9605984.

It can be written as a sum of positive squares in 3 ways, for example, as 2598544 + 486908356 = 1612^2 + 22066^2 .

It is a super-2 number, since 2×489506900² = 479234010295220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2447435 + ... + 2447634.

Almost surely, 2^489506900 is an apocalyptic number.

It is an amenable number.

489506900 is an abundant number, since it is smaller than the sum of its proper divisors (572723290).

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

489506900 is a wasteful number, since it uses less digits than its factorization.

489506900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895083 (or 4895076 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 489506900 is about 22124.8028239801. The cubic root of 489506900 is about 788.1089738235.

The spelling of 489506900 in words is "four hundred eighty-nine million, five hundred six thousand, nine hundred".