489195936 has 144 divisors (see below), whose sum is σ = 1471133664. Its totient is φ = 159853824.

The previous prime is 489195923. The next prime is 489195937. The reversal of 489195936 is 639591984.

489195936 is a `hidden beast` number, since 48 + 9 + 1 + 9 + 593 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (489195937) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 411535 + ... + 412721.

It is an arithmetic number, because the mean of its divisors is an integer number (10216206).

Almost surely, 2^489195936 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 489195936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735566832).

489195936 is an abundant number, since it is smaller than the sum of its proper divisors (981937728).

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

489195936 is a wasteful number, since it uses less digits than its factorization.

489195936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1245 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 489195936 is about 22117.7742098973. The cubic root of 489195936 is about 787.9420538527.

The spelling of 489195936 in words is "four hundred eighty-nine million, one hundred ninety-five thousand, nine hundred thirty-six".