2340040 has 32 divisors (see below), whose sum is σ = 5544000. Its totient is φ = 886464.

The previous prime is 2340029. The next prime is 2340061. The reversal of 2340040 is 400432.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (173250).

2^2340040 is an apocalyptic number.

2340040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340040 is an abundant number, since it is smaller than the sum of its proper divisors (3203960).

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

2340040 is a wasteful number, since it uses less digits than its factorization.

2340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2340040 is about 1529.7189284310. The cubic root of 2340040 is about 132.7621958973.

Adding to 2340040 its reverse (400432), we get a palindrome (2740472).

The spelling of 2340040 in words is "two million, three hundred forty thousand, forty".