489809376 has 192 divisors, whose sum is σ = 1649894400. Its totient is φ = 138475008.

The previous prime is 489809371. The next prime is 489809399. The reversal of 489809376 is 673908984.

489809376 is a `hidden beast` number, since 489 + 8 + 0 + 93 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489809371) 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, 658861 + ... + 659603.

It is an arithmetic number, because the mean of its divisors is an integer number (8593200).

Almost surely, 2^489809376 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 489809376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824947200).

489809376 is an abundant number, since it is smaller than the sum of its proper divisors (1160085024).

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

489809376 is a wasteful number, since it uses less digits than its factorization.

489809376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 489809376 is about 22131.6374450694. The cubic root of 489809376 is about 788.2712697762.

It can be divided in two parts, 48 and 9809376, that added together give a square (9809424 = 3132²).

The spelling of 489809376 in words is "four hundred eighty-nine million, eight hundred nine thousand, three hundred seventy-six".