489409888 has 24 divisors (see below), whose sum is σ = 1051119720. Its totient is φ = 222458880.

The previous prime is 489409873. The next prime is 489409903. The reversal of 489409888 is 888904984.

It is an interprime number because it is at equal distance from previous prime (489409873) and next prime (489409903).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694833 + ... + 695536.

It is an arithmetic number, because the mean of its divisors is an integer number (43796655).

Almost surely, 2^489409888 is an apocalyptic number.

It is an amenable number.

489409888 is an abundant number, since it is smaller than the sum of its proper divisors (561709832).

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

489409888 is a wasteful number, since it uses less digits than its factorization.

489409888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390390 (or 1390382 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 58.

The square root of 489409888 is about 22122.6103342259. The cubic root of 489409888 is about 788.0569070878.

The spelling of 489409888 in words is "four hundred eighty-nine million, four hundred nine thousand, eight hundred eighty-eight".