8557488 has 120 divisors (see below), whose sum is σ = 25998336. Its totient is φ = 2721600.

The previous prime is 8557469. The next prime is 8557489. The reversal of 8557488 is 8847558.

It is not an unprimeable number, because it can be changed into a prime (8557489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120493 + ... + 120563.

Almost surely, 2^8557488 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 8557488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12999168).

8557488 is an abundant number, since it is smaller than the sum of its proper divisors (17440848).

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

8557488 is a wasteful number, since it uses less digits than its factorization.

8557488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 8557488 is about 2925.3184442040. The cubic root of 8557488 is about 204.5418122988.

It can be divided in two parts, 8557 and 488, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8557488 in words is "eight million, five hundred fifty-seven thousand, four hundred eighty-eight".