2440291 has 8 divisors (see below), whose sum is σ = 2820960. Its totient is φ = 2067648.

The previous prime is 2440271. The next prime is 2440297. The reversal of 2440291 is 1920442.

2440291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440291 - 2⁵ = 2440259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440297) 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 7 ways as a sum of consecutive naturals, for example, 1336 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (352620).

2^2440291 is an apocalyptic number.

2440291 is a deficient number, since it is larger than the sum of its proper divisors (380669).

2440291 is an equidigital number, since it uses as much as digits as its factorization.

2440291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2440291 is about 1562.1430792344. The cubic root of 2440291 is about 134.6316616801.

The spelling of 2440291 in words is "two million, four hundred forty thousand, two hundred ninety-one".