2340140 has 36 divisors (see below), whose sum is σ = 5407248. Its totient is φ = 850080.

The previous prime is 2340133. The next prime is 2340167. The reversal of 2340140 is 410432.

2340140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1937 + ... + 2903.

2^2340140 is an apocalyptic number.

2340140 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 2340140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2703624).

2340140 is an abundant number, since it is smaller than the sum of its proper divisors (3067108).

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

2340140 is a wasteful number, since it uses less digits than its factorization.

2340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2340140 is about 1529.7516138249. The cubic root of 2340140 is about 132.7640870374.

Adding to 2340140 its reverse (410432), we get a palindrome (2750572).

The spelling of 2340140 in words is "two million, three hundred forty thousand, one hundred forty".