8638896 has 60 divisors (see below), whose sum is σ = 25967832. Its totient is φ = 2467584.

The previous prime is 8638891. The next prime is 8638909. The reversal of 8638896 is 6988368.

8638896 = 504² + 505² + ... + 535².

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8638891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516 + ... + 4188.

Almost surely, 2^8638896 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 8638896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12983916).

8638896 is an abundant number, since it is smaller than the sum of its proper divisors (17328936).

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

8638896 is a wasteful number, since it uses less digits than its factorization.

8638896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3685 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 8638896 is about 2939.1998911268. The cubic root of 8638896 is about 205.1883733519.

The spelling of 8638896 in words is "eight million, six hundred thirty-eight thousand, eight hundred ninety-six".