4449140 has 24 divisors (see below), whose sum is σ = 9412200. Its totient is φ = 1766528.

The previous prime is 4449127. The next prime is 4449163. The reversal of 4449140 is 419444.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 4024036 = 652^2 + 2006^2 .

It is a congruent number.

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, 2234 + ... + 3726.

It is an arithmetic number, because the mean of its divisors is an integer number (392175).

Almost surely, 2^4449140 is an apocalyptic number.

It is an amenable number.

4449140 is an abundant number, since it is smaller than the sum of its proper divisors (4963060).

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

4449140 is a wasteful number, since it uses less digits than its factorization.

4449140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4449140 is about 2109.2984615744. The cubic root of 4449140 is about 164.4720190888.

It can be divided in two parts, 44 and 49140, that multiplied together give a triangular number (2162160 = T₂₀₇₉).

The spelling of 4449140 in words is "four million, four hundred forty-nine thousand, one hundred forty".