3144021 has 4 divisors (see below), whose sum is σ = 4192032. Its totient is φ = 2096012.

The previous prime is 3144019. The next prime is 3144023. The reversal of 3144021 is 1204413.

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 an interprime number because it is at equal distance from previous prime (3144019) and next prime (3144023).

It is a cyclic number.

It is not a de Polignac number, because 3144021 - 2¹ = 3144019 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144023) 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, 524001 + ... + 524006.

It is an arithmetic number, because the mean of its divisors is an integer number (1048008).

Almost surely, 2^3144021 is an apocalyptic number.

It is an amenable number.

3144021 is a deficient number, since it is larger than the sum of its proper divisors (1048011).

3144021 is a wasteful number, since it uses less digits than its factorization.

3144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3144021 is about 1773.1387424564. The cubic root of 3144021 is about 146.4969150612.

Adding to 3144021 its reverse (1204413), we get a palindrome (4348434).

The spelling of 3144021 in words is "three million, one hundred forty-four thousand, twenty-one".