4441998 has 64 divisors (see below), whose sum is σ = 10637568. Its totient is φ = 1221120.

The previous prime is 4441979. The next prime is 4441999. The reversal of 4441998 is 8991444.

4441998 is a modest number, since divided by 1998 gives 444 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41461 + ... + 41567.

It is an arithmetic number, because the mean of its divisors is an integer number (166212).

Almost surely, 2^4441998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4441998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5318784).

4441998 is an abundant number, since it is smaller than the sum of its proper divisors (6195570).

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

4441998 is a wasteful number, since it uses less digits than its factorization.

4441998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177.

The product of its digits is 41472, while the sum is 39.

The square root of 4441998 is about 2107.6048016647. The cubic root of 4441998 is about 164.3839654977.

It can be divided in two parts, 444 and 1998, that added together give a palindrome (2442).

The spelling of 4441998 in words is "four million, four hundred forty-one thousand, nine hundred ninety-eight".