4439808 has 108 divisors (see below), whose sum is σ = 13392288. Its totient is φ = 1413120.

The previous prime is 4439807. The next prime is 4439821. The reversal of 4439808 is 8089344.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439801) 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, 94441 + ... + 94487.

Almost surely, 2^4439808 is an apocalyptic number.

4439808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4439808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6696144).

4439808 is an abundant number, since it is smaller than the sum of its proper divisors (8952480).

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

4439808 is a wasteful number, since it uses less digits than its factorization.

4439808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4439808 is about 2107.0851904942. The cubic root of 4439808 is about 164.3569461201.

The spelling of 4439808 in words is "four million, four hundred thirty-nine thousand, eight hundred eight".