2544886 has 4 divisors (see below), whose sum is σ = 3817332. Its totient is φ = 1272442.

The previous prime is 2544851. The next prime is 2544887. The reversal of 2544886 is 6884452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636220 + ... + 636223.

It is an arithmetic number, because the mean of its divisors is an integer number (954333).

2^2544886 is an apocalyptic number.

2544886 is a deficient number, since it is larger than the sum of its proper divisors (1272446).

2544886 is a wasteful number, since it uses less digits than its factorization.

2544886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272445.

The product of its digits is 61440, while the sum is 37.

The square root of 2544886 is about 1595.2698831232. The cubic root of 2544886 is about 136.5283298460.

The spelling of 2544886 in words is "two million, five hundred forty-four thousand, eight hundred eighty-six".