2318540 has 24 divisors (see below), whose sum is σ = 5564832. Its totient is φ = 794880.

The previous prime is 2318527. The next prime is 2318543. The reversal of 2318540 is 458132.

It is not an unprimeable number, because it can be changed into a prime (2318543) 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, 8141 + ... + 8420.

It is an arithmetic number, because the mean of its divisors is an integer number (231868).

2^2318540 is an apocalyptic number.

2318540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2318540 is an abundant number, since it is smaller than the sum of its proper divisors (3246292).

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

2318540 is a wasteful number, since it uses less digits than its factorization.

2318540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16577 (or 16575 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2318540 is about 1522.6752772670. The cubic root of 2318540 is about 132.3543433209.

The spelling of 2318540 in words is "two million, three hundred eighteen thousand, five hundred forty".