4439900 has 36 divisors (see below), whose sum is σ = 9973320. Its totient is φ = 1713600.

The previous prime is 4439899. The next prime is 4439909. The reversal of 4439900 is 99344.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439909) 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, 2135 + ... + 3665.

Almost surely, 2^4439900 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 4439900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4986660).

4439900 is an abundant number, since it is smaller than the sum of its proper divisors (5533420).

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

4439900 is a wasteful number, since it uses less digits than its factorization.

4439900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4439900 is about 2107.1070214870. The cubic root of 4439900 is about 164.3580813595.

The spelling of 4439900 in words is "four million, four hundred thirty-nine thousand, nine hundred".