489726432 has 192 divisors, whose sum is σ = 1566432000. Its totient is φ = 147930624.

The previous prime is 489726421. The next prime is 489726439. The reversal of 489726432 is 234627984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489726439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662319 + ... + 663057.

It is an arithmetic number, because the mean of its divisors is an integer number (8158500).

Almost surely, 2^489726432 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 489726432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783216000).

489726432 is an abundant number, since it is smaller than the sum of its proper divisors (1076705568).

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

489726432 is a wasteful number, since it uses less digits than its factorization.

489726432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 816 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 489726432 is about 22129.7634872133. The cubic root of 489726432 is about 788.2267721503.

It can be divided in two parts, 4897 and 26432, that added together give a square (31329 = 177²).

The spelling of 489726432 in words is "four hundred eighty-nine million, seven hundred twenty-six thousand, four hundred thirty-two".