8642448 has 30 divisors (see below), whose sum is σ = 24187254. Its totient is φ = 2880768.

The previous prime is 8642429. The next prime is 8642449. The reversal of 8642448 is 8442468.

8642448 is a `hidden beast` number, since 8 + 642 + 4 + 4 + 8 = 666.

8642448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 278784 = 2892^2 + 528^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8642449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29865 + ... + 30152.

Almost surely, 2^8642448 is an apocalyptic number.

It is an amenable number.

8642448 is an abundant number, since it is smaller than the sum of its proper divisors (15544806).

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

8642448 is a wasteful number, since it uses less digits than its factorization.

8642448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60031 (or 60022 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 8642448 is about 2939.8040751043. The cubic root of 8642448 is about 205.2164914986.

The spelling of 8642448 in words is "eight million, six hundred forty-two thousand, four hundred forty-eight".