3156443 has 2 divisors, whose sum is σ = 3156444. Its totient is φ = 3156442.

The previous prime is 3156431. The next prime is 3156449. The reversal of 3156443 is 3446513.

3156443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3156443 - 2⁴ = 3156427 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3156449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578221 + 1578222.

It is an arithmetic number, because the mean of its divisors is an integer number (1578222).

Almost surely, 2^3156443 is an apocalyptic number.

3156443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156443 is an equidigital number, since it uses as much as digits as its factorization.

3156443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 3156443 is about 1776.6381173441. The cubic root of 3156443 is about 146.6895975395.

The spelling of 3156443 in words is "three million, one hundred fifty-six thousand, four hundred forty-three".