2340540 has 36 divisors (see below), whose sum is σ = 7100184. Its totient is φ = 624096.

The previous prime is 2340521. The next prime is 2340551. The reversal of 2340540 is 450432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6322 + ... + 6681.

2^2340540 is an apocalyptic number.

2340540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340540 is an abundant number, since it is smaller than the sum of its proper divisors (4759644).

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

2340540 is a wasteful number, since it uses less digits than its factorization.

2340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018 (or 13013 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2340540 is about 1529.8823484177. The cubic root of 2340540 is about 132.7716510591.

Adding to 2340540 its reverse (450432), we get a palindrome (2790972).

The spelling of 2340540 in words is "two million, three hundred forty thousand, five hundred forty".