6244421 has 4 divisors (see below), whose sum is σ = 6276000. Its totient is φ = 6212844.

The previous prime is 6244391. The next prime is 6244429. The reversal of 6244421 is 1244426.

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 6244421 - 2¹⁴ = 6228037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15491 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (1569000).

Almost surely, 2^6244421 is an apocalyptic number.

It is an amenable number.

6244421 is a deficient number, since it is larger than the sum of its proper divisors (31579).

6244421 is a wasteful number, since it uses less digits than its factorization.

6244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31578.

The product of its digits is 1536, while the sum is 23.

The square root of 6244421 is about 2498.8839508869. The cubic root of 6244421 is about 184.1467500512.

Adding to 6244421 its reverse (1244426), we get a palindrome (7488847).

The spelling of 6244421 in words is "six million, two hundred forty-four thousand, four hundred twenty-one".