4423842 has 64 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 1347840.

The previous prime is 4423841. The next prime is 4423849. The reversal of 4423842 is 2483244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4423841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55959 + ... + 56037.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

Almost surely, 2^4423842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4423842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356800).

4423842 is an abundant number, since it is smaller than the sum of its proper divisors (6289758).

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

4423842 is a wasteful number, since it uses less digits than its factorization.

4423842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 162 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 4423842 is about 2103.2931322096. The cubic root of 4423842 is about 164.1596947346.

The spelling of 4423842 in words is "four million, four hundred twenty-three thousand, eight hundred forty-two".