2193841 has 8 divisors (see below), whose sum is σ = 2426984. Its totient is φ = 1969920.

The previous prime is 2193827. The next prime is 2193847. The reversal of 2193841 is 1483912.

It is a happy number.

2193841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 245025 + 1948816 = 495^2 + 1396^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2193841 - 2⁷ = 2193713 is a prime.

It is a Duffinian number.

2193841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2193847) 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, 1800 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (303373).

2^2193841 is an apocalyptic number.

It is an amenable number.

2193841 is a deficient number, since it is larger than the sum of its proper divisors (233143).

2193841 is a wasteful number, since it uses less digits than its factorization.

2193841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its digits is 1728, while the sum is 28.

The square root of 2193841 is about 1481.1620438021. The cubic root of 2193841 is about 129.9376624204.

The spelling of 2193841 in words is "two million, one hundred ninety-three thousand, eight hundred forty-one".