3144809 has 4 divisors (see below), whose sum is σ = 3158100. Its totient is φ = 3131520.

The previous prime is 3144793. The next prime is 3144811. The reversal of 3144809 is 9084413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 1056784 = 1445^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144809 - 2⁴ = 3144793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144829) 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, 6284 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (789525).

Almost surely, 2^3144809 is an apocalyptic number.

It is an amenable number.

3144809 is a deficient number, since it is larger than the sum of its proper divisors (13291).

3144809 is a wasteful number, since it uses less digits than its factorization.

3144809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3144809 is about 1773.3609333692. The cubic root of 3144809 is about 146.5091530972.

The spelling of 3144809 in words is "three million, one hundred forty-four thousand, eight hundred nine".