2491588 has 24 divisors (see below), whose sum is σ = 5037984. Its totient is φ = 1065600.

The previous prime is 2491553. The next prime is 2491589. The reversal of 2491588 is 8851942.

It is not an unprimeable number, because it can be changed into a prime (2491589) 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, 918 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (209916).

2^2491588 is an apocalyptic number.

It is an amenable number.

2491588 is an abundant number, since it is smaller than the sum of its proper divisors (2546396).

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

2491588 is a wasteful number, since it uses less digits than its factorization.

2491588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3361 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 2491588 is about 1578.4764806610. The cubic root of 2491588 is about 135.5684852349.

The spelling of 2491588 in words is "two million, four hundred ninety-one thousand, five hundred eighty-eight".