2591232 has 80 divisors (see below), whose sum is σ = 7922112. Its totient is φ = 737280.

The previous prime is 2591213. The next prime is 2591233. The reversal of 2591232 is 2321952.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2591233) 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, 10632 + ... + 10872.

2^2591232 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 2591232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3961056).

2591232 is an abundant number, since it is smaller than the sum of its proper divisors (5330880).

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

2591232 is an equidigital number, since it uses as much as digits as its factorization.

2591232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 253 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2591232 is about 1609.7304122119. The cubic root of 2591232 is about 137.3521407826.

The spelling of 2591232 in words is "two million, five hundred ninety-one thousand, two hundred thirty-two".