8491488 has 48 divisors (see below), whose sum is σ = 22453200. Its totient is φ = 2809856.

The previous prime is 8491487. The next prime is 8491507. The reversal of 8491488 is 8841948.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8491487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18688 + ... + 19136.

It is an arithmetic number, because the mean of its divisors is an integer number (467775).

Almost surely, 2^8491488 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 8491488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11226600).

8491488 is an abundant number, since it is smaller than the sum of its proper divisors (13961712).

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

8491488 is a wasteful number, since it uses less digits than its factorization.

8491488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 651 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 8491488 is about 2914.0157858186. The cubic root of 8491488 is about 204.0146087193.

The spelling of 8491488 in words is "eight million, four hundred ninety-one thousand, four hundred eighty-eight".