3144421 has 4 divisors (see below), whose sum is σ = 3593632. Its totient is φ = 2695212.

The previous prime is 3144419. The next prime is 3144431. The reversal of 3144421 is 1244413.

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: 1244413 = 97 ⋅12829.

It is a cyclic number.

It is not a de Polignac number, because 3144421 - 2¹ = 3144419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144431) 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, 224595 + ... + 224608.

It is an arithmetic number, because the mean of its divisors is an integer number (898408).

Almost surely, 2^3144421 is an apocalyptic number.

It is an amenable number.

3144421 is a deficient number, since it is larger than the sum of its proper divisors (449211).

3144421 is an equidigital number, since it uses as much as digits as its factorization.

3144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449210.

The product of its digits is 384, while the sum is 19.

The square root of 3144421 is about 1773.2515332011. The cubic root of 3144421 is about 146.5031275177.

Adding to 3144421 its reverse (1244413), we get a palindrome (4388834).

The spelling of 3144421 in words is "three million, one hundred forty-four thousand, four hundred twenty-one".