3431443 has 4 divisors (see below), whose sum is σ = 3511288. Its totient is φ = 3351600.

The previous prime is 3431437. The next prime is 3431447. The reversal of 3431443 is 3441343.

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 3431443 - 2⁵ = 3431411 is a prime.

It is a Duffinian number.

3431443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3431447) 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, 39858 + ... + 39943.

It is an arithmetic number, because the mean of its divisors is an integer number (877822).

Almost surely, 2^3431443 is an apocalyptic number.

3431443 is a deficient number, since it is larger than the sum of its proper divisors (79845).

3431443 is an equidigital number, since it uses as much as digits as its factorization.

3431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79844.

The product of its digits is 1728, while the sum is 22.

The square root of 3431443 is about 1852.4154501623. The cubic root of 3431443 is about 150.8315739716.

Adding to 3431443 its reverse (3441343), we get a palindrome (6872786).

The spelling of 3431443 in words is "three million, four hundred thirty-one thousand, four hundred forty-three".