5444421 has 4 divisors (see below), whose sum is σ = 7259232. Its totient is φ = 3629612.

The previous prime is 5444419. The next prime is 5444429. The reversal of 5444421 is 1244445.

It is a happy 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.

It is a cyclic number.

It is not a de Polignac number, because 5444421 - 2¹ = 5444419 is a prime.

It is a D-number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5444391 and 5444400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444429) 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, 907401 + ... + 907406.

It is an arithmetic number, because the mean of its divisors is an integer number (1814808).

Almost surely, 2^5444421 is an apocalyptic number.

It is an amenable number.

5444421 is a deficient number, since it is larger than the sum of its proper divisors (1814811).

5444421 is a wasteful number, since it uses less digits than its factorization.

5444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814810.

The product of its digits is 2560, while the sum is 24.

The square root of 5444421 is about 2333.3283095184. The cubic root of 5444421 is about 175.9208170839.

Adding to 5444421 its sum of digits (24), we get a palindrome (5444445).

Adding to 5444421 its reverse (1244445), we get a palindrome (6688866).

The spelling of 5444421 in words is "five million, four hundred forty-four thousand, four hundred twenty-one".