2563876 has 36 divisors (see below), whose sum is σ = 5311488. Its totient is φ = 1079568.

The previous prime is 2563867. The next prime is 2563877. The reversal of 2563876 is 6783652.

2563876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2563877) 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 11 ways as a sum of consecutive naturals, for example, 20125 + ... + 20251.

2^2563876 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 2563876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655744).

2563876 is an abundant number, since it is smaller than the sum of its proper divisors (2747612).

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

2563876 is a wasteful number, since it uses less digits than its factorization.

2563876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 239 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 2563876 is about 1601.2107918697. The cubic root of 2563876 is about 136.8670811985.

The spelling of 2563876 in words is "two million, five hundred sixty-three thousand, eight hundred seventy-six".