2115841 has 8 divisors (see below), whose sum is σ = 2604224. Its totient is φ = 1674000.

The previous prime is 2115829. The next prime is 2115847. The reversal of 2115841 is 1485112.

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 2115841 - 2⁷ = 2115713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2115847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11535 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (325528).

2^2115841 is an apocalyptic number.

It is an amenable number.

2115841 is a deficient number, since it is larger than the sum of its proper divisors (488383).

2115841 is a wasteful number, since it uses less digits than its factorization.

2115841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23271.

The product of its digits is 320, while the sum is 22.

The square root of 2115841 is about 1454.5930702434. The cubic root of 2115841 is about 128.3791047541.

The spelling of 2115841 in words is "two million, one hundred fifteen thousand, eight hundred forty-one".