489089898 has 48 divisors (see below), whose sum is σ = 1224040896. Its totient is φ = 139489920.

The previous prime is 489089897. The next prime is 489089899. The reversal of 489089898 is 898980984.

It is an interprime number because it is at equal distance from previous prime (489089897) and next prime (489089899).

It is not an unprimeable number, because it can be changed into a prime (489089891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69286 + ... + 76017.

It is an arithmetic number, because the mean of its divisors is an integer number (25500852).

Almost surely, 2^489089898 is an apocalyptic number.

489089898 is an abundant number, since it is smaller than the sum of its proper divisors (734950998).

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

489089898 is a wasteful number, since it uses less digits than its factorization.

489089898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145339 (or 145336 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The square root of 489089898 is about 22115.3769581258. The cubic root of 489089898 is about 787.8851183585.

The spelling of 489089898 in words is "four hundred eighty-nine million, eighty-nine thousand, eight hundred ninety-eight".