2240940 has 96 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 519168.

The previous prime is 2240891. The next prime is 2240941. The reversal of 2240940 is 490422.

It is not an unprimeable number, because it can be changed into a prime (2240941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131812 + ... + 131828.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2^2240940 is an apocalyptic number.

2240940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2240940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598560).

2240940 is an abundant number, since it is smaller than the sum of its proper divisors (4956180).

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

2240940 is a wasteful number, since it uses less digits than its factorization.

2240940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2240940 is about 1496.9769537304. The cubic root of 2240940 is about 130.8609522428.

The spelling of 2240940 in words is "two million, two hundred forty thousand, nine hundred forty".