2140841 has 4 divisors (see below), whose sum is σ = 2190672. Its totient is φ = 2091012.

The previous prime is 2140823. The next prime is 2140843. The reversal of 2140841 is 1480412.

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 2140841 - 2¹⁰ = 2139817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24851 + ... + 24936.

It is an arithmetic number, because the mean of its divisors is an integer number (547668).

2^2140841 is an apocalyptic number.

It is an amenable number.

2140841 is a deficient number, since it is larger than the sum of its proper divisors (49831).

2140841 is an equidigital number, since it uses as much as digits as its factorization.

2140841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49830.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2140841 is about 1463.1613034796. The cubic root of 2140841 is about 128.8827530714.

The spelling of 2140841 in words is "two million, one hundred forty thousand, eight hundred forty-one".