489856340 has 24 divisors (see below), whose sum is σ = 1029121632. Its totient is φ = 195861920.

The previous prime is 489856337. The next prime is 489856349. The reversal of 489856340 is 43658984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489856349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78827 + ... + 84813.

It is an arithmetic number, because the mean of its divisors is an integer number (42880068).

Almost surely, 2^489856340 is an apocalyptic number.

It is an amenable number.

489856340 is an abundant number, since it is smaller than the sum of its proper divisors (539265292).

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

489856340 is a wasteful number, since it uses less digits than its factorization.

489856340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087 (or 10085 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 489856340 is about 22132.6984346690. The cubic root of 489856340 is about 788.2964626986.

The spelling of 489856340 in words is "four hundred eighty-nine million, eight hundred fifty-six thousand, three hundred forty".