4449942 has 24 divisors (see below), whose sum is σ = 11019216. Its totient is φ = 1271376.

The previous prime is 4449923. The next prime is 4449947. The reversal of 4449942 is 2499444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4449897 and 4449906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449947) 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, 17533 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (459134).

Almost surely, 2^4449942 is an apocalyptic number.

4449942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4449942 is an abundant number, since it is smaller than the sum of its proper divisors (6569274).

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

4449942 is a wasteful number, since it uses less digits than its factorization.

4449942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35332 (or 35329 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4449942 is about 2109.4885636097. The cubic root of 4449942 is about 164.4819010461.

It can be divided in two parts, 444994 and 2, that multiplied together give a palindrome (889988).

The spelling of 4449942 in words is "four million, four hundred forty-nine thousand, nine hundred forty-two".