2421941 has 4 divisors (see below), whose sum is σ = 2467692. Its totient is φ = 2376192.

The previous prime is 2421931. The next prime is 2421943. The reversal of 2421941 is 1491242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1491242 = 2 ⋅745621.

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 1110916 = 1145^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421941 - 2¹⁰ = 2420917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421943) 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, 22796 + ... + 22901.

It is an arithmetic number, because the mean of its divisors is an integer number (616923).

2^2421941 is an apocalyptic number.

It is an amenable number.

2421941 is a deficient number, since it is larger than the sum of its proper divisors (45751).

2421941 is an equidigital number, since it uses as much as digits as its factorization.

2421941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45750.

The product of its digits is 576, while the sum is 23.

The square root of 2421941 is about 1556.2586545944. The cubic root of 2421941 is about 134.2933537550.

The spelling of 2421941 in words is "two million, four hundred twenty-one thousand, nine hundred forty-one".