3943143 has 24 divisors (see below), whose sum is σ = 6095232. Its totient is φ = 2450448.

The previous prime is 3943139. The next prime is 3943153. The reversal of 3943143 is 3413493.

It is not a de Polignac number, because 3943143 - 2² = 3943139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8680 + ... + 9122.

It is an arithmetic number, because the mean of its divisors is an integer number (253968).

Almost surely, 2^3943143 is an apocalyptic number.

3943143 is a deficient number, since it is larger than the sum of its proper divisors (2152089).

3943143 is a wasteful number, since it uses less digits than its factorization.

3943143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 512 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3943143 is about 1985.7348765633. The cubic root of 3943143 is about 157.9843893139.

The spelling of 3943143 in words is "three million, nine hundred forty-three thousand, one hundred forty-three".