2391441 has 16 divisors (see below), whose sum is σ = 3636864. Its totient is φ = 1384704.

The previous prime is 2391439. The next prime is 2391449. The reversal of 2391441 is 1441932.

2391441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2391441 - 2¹ = 2391439 is a prime.

2391441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2391449) 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 15 ways as a sum of consecutive naturals, for example, 1141 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (227304).

2^2391441 is an apocalyptic number.

It is an amenable number.

2391441 is a deficient number, since it is larger than the sum of its proper divisors (1245423).

2391441 is a wasteful number, since it uses less digits than its factorization.

2391441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 864, while the sum is 24.

The square root of 2391441 is about 1546.4284658529. The cubic root of 2391441 is about 133.7272427581.

The spelling of 2391441 in words is "two million, three hundred ninety-one thousand, four hundred forty-one".