4448840 has 32 divisors (see below), whose sum is σ = 10920960. Its totient is φ = 1617600.

The previous prime is 4448837. The next prime is 4448863. The reversal of 4448840 is 488444.

Added to its reverse (488444) it gives a square (4937284 = 2222²).

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4448797 and 4448806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

Almost surely, 2^4448840 is an apocalyptic number.

4448840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4448840 is an abundant number, since it is smaller than the sum of its proper divisors (6472120).

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

4448840 is a wasteful number, since it uses less digits than its factorization.

4448840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133 (or 10129 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 4448840 is about 2109.2273466841. The cubic root of 4448840 is about 164.4683222909.

Adding to 4448840 its reverse (488444), we get a square (4937284 = 2222²).

It can be divided in two parts, 44 and 48840, that added together give a palindrome (48884).

The spelling of 4448840 in words is "four million, four hundred forty-eight thousand, eight hundred forty".