2802540 has 48 divisors (see below), whose sum is σ = 8453088. Its totient is φ = 689664.

The previous prime is 2802511. The next prime is 2802551. The reversal of 2802540 is 452082.

2802540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1017 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (176106).

2^2802540 is an apocalyptic number.

2802540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2802540 is an abundant number, since it is smaller than the sum of its proper divisors (5650548).

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

2802540 is a wasteful number, since it uses less digits than its factorization.

2802540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2802540 is about 1674.0788511895. The cubic root of 2802540 is about 140.9885811385.

The spelling of 2802540 in words is "two million, eight hundred two thousand, five hundred forty".