489631392 has 168 divisors, whose sum is σ = 1465319520. Its totient is φ = 160963200.

The previous prime is 489631381. The next prime is 489631423. The reversal of 489631392 is 293136984.

It is a happy number.

489631392 is a `hidden beast` number, since 4 + 8 + 9 + 631 + 3 + 9 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3242517 + ... + 3242667.

It is an arithmetic number, because the mean of its divisors is an integer number (8722140).

Almost surely, 2^489631392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489631392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732659760).

489631392 is an abundant number, since it is smaller than the sum of its proper divisors (975688128).

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

489631392 is a wasteful number, since it uses less digits than its factorization.

489631392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 295 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 489631392 is about 22127.6160487297. The cubic root of 489631392 is about 788.1757791100.

The spelling of 489631392 in words is "four hundred eighty-nine million, six hundred thirty-one thousand, three hundred ninety-two".