2491044 has 24 divisors (see below), whose sum is σ = 6154848. Its totient is φ = 781440.

The previous prime is 2491043. The next prime is 2491063. The reversal of 2491044 is 4401942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5902 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (256452).

2^2491044 is an apocalyptic number.

It is an amenable number.

2491044 is an abundant number, since it is smaller than the sum of its proper divisors (3663804).

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

2491044 is a wasteful number, since it uses less digits than its factorization.

2491044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12235 (or 12233 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2491044 is about 1578.3041531973. The cubic root of 2491044 is about 135.5586180840.

Adding to 2491044 its reverse (4401942), we get a palindrome (6892986).

The spelling of 2491044 in words is "two million, four hundred ninety-one thousand, forty-four".