2576840 has 32 divisors (see below), whose sum is σ = 6626880. Its totient is φ = 883392.

The previous prime is 2576839. The next prime is 2576857. The reversal of 2576840 is 486752.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2576797 and 2576806.

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, 4322 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (207090).

2^2576840 is an apocalyptic number.

2576840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2576840 is an abundant number, since it is smaller than the sum of its proper divisors (4050040).

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

2576840 is a wasteful number, since it uses less digits than its factorization.

2576840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221 (or 9217 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2576840 is about 1605.2538740025. The cubic root of 2576840 is about 137.0973786869.

The spelling of 2576840 in words is "two million, five hundred seventy-six thousand, eight hundred forty".