4407940 has 24 divisors (see below), whose sum is σ = 9296280. Its totient is φ = 1755648.

The previous prime is 4407937. The next prime is 4407961. The reversal of 4407940 is 497044.

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 4096576 = 558^2 + 2024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4407899 and 4407908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8406 + ... + 8914.

It is an arithmetic number, because the mean of its divisors is an integer number (387345).

Almost surely, 2^4407940 is an apocalyptic number.

It is an amenable number.

4407940 is an abundant number, since it is smaller than the sum of its proper divisors (4888340).

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

4407940 is a wasteful number, since it uses less digits than its factorization.

4407940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4407940 is about 2099.5094665183. The cubic root of 4407940 is about 163.9627617217.

The spelling of 4407940 in words is "four million, four hundred seven thousand, nine hundred forty".