489413826 has 80 divisors (see below), whose sum is σ = 1248464448. Its totient is φ = 141847200.

The previous prime is 489413809. The next prime is 489413851. The reversal of 489413826 is 628314984.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35016 + ... + 46956.

Almost surely, 2^489413826 is an apocalyptic number.

489413826 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 489413826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624232224).

489413826 is an abundant number, since it is smaller than the sum of its proper divisors (759050622).

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

489413826 is a wasteful number, since it uses less digits than its factorization.

489413826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989 (or 11980 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 489413826 is about 22122.6993380103. The cubic root of 489413826 is about 788.0590207624.

The spelling of 489413826 in words is "four hundred eighty-nine million, four hundred thirteen thousand, eight hundred twenty-six".