2049841 has 4 divisors (see below), whose sum is σ = 2078784. Its totient is φ = 2020900.

The previous prime is 2049823. The next prime is 2049847. The reversal of 2049841 is 1489402.

It is the 585-th star number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1489402 = 2 ⋅744701.

It is a cyclic number.

It is not a de Polignac number, because 2049841 - 2¹⁵ = 2017073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049847) 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, 14365 + ... + 14506.

It is an arithmetic number, because the mean of its divisors is an integer number (519696).

2^2049841 is an apocalyptic number.

It is an amenable number.

2049841 is a deficient number, since it is larger than the sum of its proper divisors (28943).

2049841 is an equidigital number, since it uses as much as digits as its factorization.

2049841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28942.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2049841 is about 1431.7265800424. The cubic root of 2049841 is about 127.0301249139.

The spelling of 2049841 in words is "two million, forty-nine thousand, eight hundred forty-one".