2818140 has 48 divisors (see below), whose sum is σ = 8500128. Its totient is φ = 693504.

The previous prime is 2818111. The next prime is 2818147. The reversal of 2818140 is 418182.

It is a self number, because there is not a number n which added to its sum of digits gives 2818140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (177086).

2^2818140 is an apocalyptic number.

2818140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818140 is an abundant number, since it is smaller than the sum of its proper divisors (5681988).

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

2818140 is a wasteful number, since it uses less digits than its factorization.

2818140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2818140 is about 1678.7316640845. The cubic root of 2818140 is about 141.2496958774.

The spelling of 2818140 in words is "two million, eight hundred eighteen thousand, one hundred forty".