2591442 has 48 divisors (see below), whose sum is σ = 6507072. Its totient is φ = 730080.

The previous prime is 2591441. The next prime is 2591447. The reversal of 2591442 is 2441952.

2591442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2591441) 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 23 ways as a sum of consecutive naturals, for example, 16428 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (135564).

2^2591442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2591442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253536).

2591442 is an abundant number, since it is smaller than the sum of its proper divisors (3915630).

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

2591442 is a wasteful number, since it uses less digits than its factorization.

2591442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 300 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2591442 is about 1609.7956392039. The cubic root of 2591442 is about 137.3558511374.

The spelling of 2591442 in words is "two million, five hundred ninety-one thousand, four hundred forty-two".