7944159 has 8 divisors (see below), whose sum is σ = 10878640. Its totient is φ = 5152896.

The previous prime is 7944149. The next prime is 7944163. The reversal of 7944159 is 9514497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7944159 - 2⁴ = 7944143 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 (7944149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35674 + ... + 35895.

It is an arithmetic number, because the mean of its divisors is an integer number (1359830).

Almost surely, 2^7944159 is an apocalyptic number.

7944159 is a deficient number, since it is larger than the sum of its proper divisors (2934481).

7944159 is a wasteful number, since it uses less digits than its factorization.

7944159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71609.

The product of its digits is 45360, while the sum is 39.

The square root of 7944159 is about 2818.5384510416. The cubic root of 7944159 is about 199.5335714008.

The spelling of 7944159 in words is "seven million, nine hundred forty-four thousand, one hundred fifty-nine".