3144891 has 8 divisors (see below), whose sum is σ = 4290880. Its totient is φ = 2047752.

The previous prime is 3144887. The next prime is 3144893. The reversal of 3144891 is 1984413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3144891 - 2² = 3144887 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12061 + ... + 12318.

It is an arithmetic number, because the mean of its divisors is an integer number (536360).

Almost surely, 2^3144891 is an apocalyptic number.

3144891 is a deficient number, since it is larger than the sum of its proper divisors (1145989).

3144891 is a wasteful number, since it uses less digits than its factorization.

3144891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24425.

The product of its digits is 3456, while the sum is 30.

The square root of 3144891 is about 1773.3840531594. The cubic root of 3144891 is about 146.5104264809.

The spelling of 3144891 in words is "three million, one hundred forty-four thousand, eight hundred ninety-one".