2331040 has 48 divisors (see below), whose sum is σ = 5837832. Its totient is φ = 876544.

The previous prime is 2330959. The next prime is 2331041. The reversal of 2331040 is 401332.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 8464 = 1524^2 + 92^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2331040.

It is not an unprimeable number, because it can be changed into a prime (2331041) 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, 2292 + ... + 3148.

2^2331040 is an apocalyptic number.

2331040 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 2331040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2918916).

2331040 is an abundant number, since it is smaller than the sum of its proper divisors (3506792).

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

2331040 is a wasteful number, since it uses less digits than its factorization.

2331040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2331040 is about 1526.7743775686. The cubic root of 2331040 is about 132.5917721880.

Adding to 2331040 its reverse (401332), we get a palindrome (2732372).

The spelling of 2331040 in words is "two million, three hundred thirty-one thousand, forty".