4438890 has 96 divisors (see below), whose sum is σ = 12519936. Its totient is φ = 1088640.

The previous prime is 4438871. The next prime is 4438891. The reversal of 4438890 is 988344.

It is not an unprimeable number, because it can be changed into a prime (4438891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103209 + ... + 103251.

It is an arithmetic number, because the mean of its divisors is an integer number (130416).

Almost surely, 2^4438890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4438890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6259968).

4438890 is an abundant number, since it is smaller than the sum of its proper divisors (8081046).

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

4438890 is a wasteful number, since it uses less digits than its factorization.

4438890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 121 counting only the distinct ones).

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

The square root of 4438890 is about 2106.8673427627. The cubic root of 4438890 is about 164.3456175464.

The spelling of 4438890 in words is "four million, four hundred thirty-eight thousand, eight hundred ninety".