8457488 has 40 divisors (see below), whose sum is σ = 17920728. Its totient is φ = 3843072.

The previous prime is 8457487. The next prime is 8457499. The reversal of 8457488 is 8847548.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 8456464 = 32^2 + 2908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457481) 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, 14906 + ... + 15462.

Almost surely, 2^8457488 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 8457488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8960364).

8457488 is an abundant number, since it is smaller than the sum of its proper divisors (9463240).

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

8457488 is a wasteful number, since it uses less digits than its factorization.

8457488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 8457488 is about 2908.1760606951. The cubic root of 8457488 is about 203.7419523337.

The spelling of 8457488 in words is "eight million, four hundred fifty-seven thousand, four hundred eighty-eight".