3144406 has 4 divisors (see below), whose sum is σ = 4716612. Its totient is φ = 1572202.

The previous prime is 3144403. The next prime is 3144419. The reversal of 3144406 is 6044413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6044413 = 19 ⋅318127.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786100 + ... + 786103.

It is an arithmetic number, because the mean of its divisors is an integer number (1179153).

Almost surely, 2^3144406 is an apocalyptic number.

3144406 is the 1122-nd centered pentagonal number.

3144406 is a deficient number, since it is larger than the sum of its proper divisors (1572206).

3144406 is a wasteful number, since it uses less digits than its factorization.

3144406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572205.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3144406 is about 1773.2473036776. The cubic root of 3144406 is about 146.5028945601.

Adding to 3144406 its reverse (6044413), we get a palindrome (9188819).

The spelling of 3144406 in words is "three million, one hundred forty-four thousand, four hundred six".