3140443 has 4 divisors (see below), whose sum is σ = 3277008. Its totient is φ = 3003880.

The previous prime is 3140441. The next prime is 3140447. The reversal of 3140443 is 3440413.

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

It is a cyclic number.

It is not a de Polignac number, because 3140443 - 2¹ = 3140441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140443.

It is not an unprimeable number, because it can be changed into a prime (3140441) 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, 68248 + ... + 68293.

It is an arithmetic number, because the mean of its divisors is an integer number (819252).

Almost surely, 2^3140443 is an apocalyptic number.

3140443 is a deficient number, since it is larger than the sum of its proper divisors (136565).

3140443 is a wasteful number, since it uses less digits than its factorization.

3140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136564.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3140443 is about 1772.1295099399. The cubic root of 3140443 is about 146.4413211866.

Adding to 3140443 its reverse (3440413), we get a palindrome (6580856).

The spelling of 3140443 in words is "three million, one hundred forty thousand, four hundred forty-three".