3930143 has 6 divisors (see below), whose sum is σ = 4571856. Its totient is φ = 3368652.

The previous prime is 3930139. The next prime is 3930191. The reversal of 3930143 is 3410393.

It is not a de Polignac number, because 3930143 - 2² = 3930139 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 (3930743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40055 + ... + 40152.

It is an arithmetic number, because the mean of its divisors is an integer number (761976).

Almost surely, 2^3930143 is an apocalyptic number.

3930143 is a deficient number, since it is larger than the sum of its proper divisors (641713).

3930143 is an equidigital number, since it uses as much as digits as its factorization.

3930143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80221 (or 80214 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3930143 is about 1982.4588268108. The cubic root of 3930143 is about 157.8105805668.

The spelling of 3930143 in words is "three million, nine hundred thirty thousand, one hundred forty-three".