2484021 has 4 divisors (see below), whose sum is σ = 3312032. Its totient is φ = 1656012.

The previous prime is 2484019. The next prime is 2484037. The reversal of 2484021 is 1204842.

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 not a de Polignac number, because 2484021 - 2¹ = 2484019 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2484011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414001 + ... + 414006.

It is an arithmetic number, because the mean of its divisors is an integer number (828008).

2^2484021 is an apocalyptic number.

It is an amenable number.

2484021 is a deficient number, since it is larger than the sum of its proper divisors (828011).

2484021 is an equidigital number, since it uses as much as digits as its factorization.

2484021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828010.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2484021 is about 1576.0777265097. The cubic root of 2484021 is about 135.4311047117.

Adding to 2484021 its reverse (1204842), we get a palindrome (3688863).

The spelling of 2484021 in words is "two million, four hundred eighty-four thousand, twenty-one".