2327440 has 40 divisors (see below), whose sum is σ = 5535360. Its totient is φ = 909696.

The previous prime is 2327417. The next prime is 2327441. The reversal of 2327440 is 447232.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2327441) 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, 3451 + ... + 4069.

It is an arithmetic number, because the mean of its divisors is an integer number (138384).

2^2327440 is an apocalyptic number.

2327440 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 2327440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767680).

2327440 is an abundant number, since it is smaller than the sum of its proper divisors (3207920).

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

2327440 is a wasteful number, since it uses less digits than its factorization.

2327440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2327440 is about 1525.5949659067. The cubic root of 2327440 is about 132.5234798784.

The spelling of 2327440 in words is "two million, three hundred twenty-seven thousand, four hundred forty".