2640876 has 48 divisors (see below), whose sum is σ = 7123200. Its totient is φ = 745920.

The previous prime is 2640871. The next prime is 2640881. The reversal of 2640876 is 6780462.

2640876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2640871) and next prime (2640881).

It is not an unprimeable number, because it can be changed into a prime (2640871) by changing a digit.

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, 12411 + ... + 12621.

It is an arithmetic number, because the mean of its divisors is an integer number (148400).

2^2640876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2640876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3561600).

2640876 is an abundant number, since it is smaller than the sum of its proper divisors (4482324).

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

2640876 is a wasteful number, since it uses less digits than its factorization.

2640876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2640876 is about 1625.0772289341. The cubic root of 2640876 is about 138.2237496035.

The spelling of 2640876 in words is "two million, six hundred forty thousand, eight hundred seventy-six".