2531844 has 96 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 677376.

The previous prime is 2531833. The next prime is 2531869. The reversal of 2531844 is 4481352.

2531844 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12754 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^2531844 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 2531844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

2531844 is an abundant number, since it is smaller than the sum of its proper divisors (5451516).

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

2531844 is a wasteful number, since it uses less digits than its factorization.

2531844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 226 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2531844 is about 1591.1769229096. The cubic root of 2531844 is about 136.2947040694.

It can be divided in two parts, 2531 and 844, that added together give a cube (3375 = 15³).

The spelling of 2531844 in words is "two million, five hundred thirty-one thousand, eight hundred forty-four".