3144685 has 4 divisors (see below), whose sum is σ = 3773628. Its totient is φ = 2515744.

The previous prime is 3144619. The next prime is 3144689. The reversal of 3144685 is 5864413.

It is a happy number.

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 1190281 + 1954404 = 1091^2 + 1398^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144685 - 2⁹ = 3144173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144689) 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, 314464 + ... + 314473.

It is an arithmetic number, because the mean of its divisors is an integer number (943407).

Almost surely, 2^3144685 is an apocalyptic number.

It is an amenable number.

3144685 is a deficient number, since it is larger than the sum of its proper divisors (628943).

3144685 is an equidigital number, since it uses as much as digits as its factorization.

3144685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628942.

The product of its digits is 11520, while the sum is 31.

The square root of 3144685 is about 1773.3259711627. The cubic root of 3144685 is about 146.5072274504.

The spelling of 3144685 in words is "three million, one hundred forty-four thousand, six hundred eighty-five".