489956376 has 128 divisors (see below), whose sum is σ = 1515064320. Its totient is φ = 128577024.

The previous prime is 489956339. The next prime is 489956399. The reversal of 489956376 is 673659984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573966 + ... + 574818.

It is an arithmetic number, because the mean of its divisors is an integer number (11836440).

Almost surely, 2^489956376 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 489956376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757532160).

489956376 is an abundant number, since it is smaller than the sum of its proper divisors (1025107944).

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

489956376 is a wasteful number, since it uses less digits than its factorization.

489956376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1141 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The square root of 489956376 is about 22134.9582335273. The cubic root of 489956376 is about 788.3501196936.

The spelling of 489956376 in words is "four hundred eighty-nine million, nine hundred fifty-six thousand, three hundred seventy-six".