9340440 has 64 divisors (see below), whose sum is σ = 28222560. Its totient is φ = 2472960.

The previous prime is 9340433. The next prime is 9340447. The reversal of 9340440 is 440439.

It is an interprime number because it is at equal distance from previous prime (9340433) and next prime (9340447).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 9340440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9340447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33100 + ... + 33380.

Almost surely, 2^9340440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9340440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14111280).

9340440 is an abundant number, since it is smaller than the sum of its proper divisors (18882120).

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

9340440 is a wasteful number, since it uses less digits than its factorization.

9340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 9340440 is about 3056.2133433385. The cubic root of 9340440 is about 210.5987447718.

Adding to 9340440 its reverse (440439), we get a palindrome (9780879).

The spelling of 9340440 in words is "nine million, three hundred forty thousand, four hundred forty".