4450340 has 24 divisors (see below), whose sum is σ = 9669240. Its totient is φ = 1718528.

The previous prime is 4450337. The next prime is 4450349. The reversal of 4450340 is 430544.

It is a happy number.

4450340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 678976 + 3771364 = 824^2 + 1942^2 .

It is a super-2 number, since 2×4450340² = 39611052231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (4450349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257 + ... + 4416.

It is an arithmetic number, because the mean of its divisors is an integer number (402885).

Almost surely, 2^4450340 is an apocalyptic number.

It is an amenable number.

4450340 is an abundant number, since it is smaller than the sum of its proper divisors (5218900).

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

4450340 is a wasteful number, since it uses less digits than its factorization.

4450340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711 (or 7709 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4450340 is about 2109.5828971624. The cubic root of 4450340 is about 164.4868046190.

Adding to 4450340 its reverse (430544), we get a palindrome (4880884).

The spelling of 4450340 in words is "four million, four hundred fifty thousand, three hundred forty".