4420008 has 80 divisors (see below), whose sum is σ = 13068000. Its totient is φ = 1391904.

The previous prime is 4420001. The next prime is 4420019. The reversal of 4420008 is 8000244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4420001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12133 + ... + 12491.

It is an arithmetic number, because the mean of its divisors is an integer number (163350).

Almost surely, 2^4420008 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 4420008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6534000).

4420008 is an abundant number, since it is smaller than the sum of its proper divisors (8647992).

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

4420008 is a wasteful number, since it uses less digits than its factorization.

4420008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4420008 is about 2102.3815067680. The cubic root of 4420008 is about 164.1122570714.

The spelling of 4420008 in words is "four million, four hundred twenty thousand, eight".