9440440 has 32 divisors (see below), whose sum is σ = 22492080. Its totient is φ = 3553792.

The previous prime is 9440429. The next prime is 9440441. The reversal of 9440440 is 440449.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9440441) 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, 6262 + ... + 7621.

Almost surely, 2^9440440 is an apocalyptic number.

It is an amenable number.

9440440 is an abundant number, since it is smaller than the sum of its proper divisors (13051640).

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

9440440 is a wasteful number, since it uses less digits than its factorization.

9440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911 (or 13907 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 9440440 is about 3072.5299022141. The cubic root of 9440440 is about 211.3476445996.

Adding to 9440440 its reverse (440449), we get a palindrome (9880889).

The spelling of 9440440 in words is "nine million, four hundred forty thousand, four hundred forty".