2331140 has 24 divisors (see below), whose sum is σ = 5595072. Its totient is φ = 799200.

The previous prime is 2331139. The next prime is 2331151. The reversal of 2331140 is 411332.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (233128).

2^2331140 is an apocalyptic number.

2331140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331140 is an abundant number, since it is smaller than the sum of its proper divisors (3263932).

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

2331140 is a wasteful number, since it uses less digits than its factorization.

2331140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667 (or 16665 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2331140 is about 1526.8071259986. The cubic root of 2331140 is about 132.5936681926.

Adding to 2331140 its reverse (411332), we get a palindrome (2742472).

The spelling of 2331140 in words is "two million, three hundred thirty-one thousand, one hundred forty".