2119641 has 4 divisors (see below), whose sum is σ = 2826192. Its totient is φ = 1413092.

The previous prime is 2119631. The next prime is 2119643. The reversal of 2119641 is 1469112.

2119641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2119641 - 2⁵ = 2119609 is a prime.

It is a D-number.

2119641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2119643) 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 3 ways as a sum of consecutive naturals, for example, 353271 + ... + 353276.

It is an arithmetic number, because the mean of its divisors is an integer number (706548).

2^2119641 is an apocalyptic number.

It is an amenable number.

2119641 is a deficient number, since it is larger than the sum of its proper divisors (706551).

2119641 is an equidigital number, since it uses as much as digits as its factorization.

2119641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706550.

The product of its digits is 432, while the sum is 24.

The square root of 2119641 is about 1455.8986915304. The cubic root of 2119641 is about 128.4559140606.

The spelling of 2119641 in words is "two million, one hundred nineteen thousand, six hundred forty-one".