489762920 has 64 divisors (see below), whose sum is σ = 1154736000. Its totient is φ = 186596608.

The previous prime is 489762883. The next prime is 489762929. The reversal of 489762920 is 29267984.

It is not an unprimeable number, because it can be changed into a prime (489762929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246491 + ... + 248469.

It is an arithmetic number, because the mean of its divisors is an integer number (18042750).

Almost surely, 2^489762920 is an apocalyptic number.

489762920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489762920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577368000).

489762920 is an abundant number, since it is smaller than the sum of its proper divisors (664973080).

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

489762920 is a wasteful number, since it uses less digits than its factorization.

489762920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2278 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 489762920 is about 22130.5878819339. The cubic root of 489762920 is about 788.2463477761.

The spelling of 489762920 in words is "four hundred eighty-nine million, seven hundred sixty-two thousand, nine hundred twenty".