3944159 has 4 divisors (see below), whose sum is σ = 4040400. Its totient is φ = 3847920.

The previous prime is 3944141. The next prime is 3944173. The reversal of 3944159 is 9514493.

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 3944159 - 2¹² = 3940063 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 (3944189) 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, 48059 + ... + 48140.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100).

Almost surely, 2^3944159 is an apocalyptic number.

3944159 is a deficient number, since it is larger than the sum of its proper divisors (96241).

3944159 is an equidigital number, since it uses as much as digits as its factorization.

3944159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96240.

The product of its digits is 19440, while the sum is 35.

The square root of 3944159 is about 1985.9906847717. The cubic root of 3944159 is about 157.9979570317.

The spelling of 3944159 in words is "three million, nine hundred forty-four thousand, one hundred fifty-nine".