3928159 has 2 divisors, whose sum is σ = 3928160. Its totient is φ = 3928158.

The previous prime is 3928157. The next prime is 3928163. The reversal of 3928159 is 9518293.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3928159 - 2¹ = 3928157 is a prime.

Together with 3928157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3928151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964079 + 1964080.

It is an arithmetic number, because the mean of its divisors is an integer number (1964080).

Almost surely, 2^3928159 is an apocalyptic number.

3928159 is a deficient number, since it is larger than the sum of its proper divisors (1).

3928159 is an equidigital number, since it uses as much as digits as its factorization.

3928159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 3928159 is about 1981.9583749413. The cubic root of 3928159 is about 157.7840209826.

It can be divided in two parts, 39281 and 59, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 3928159 in words is "three million, nine hundred twenty-eight thousand, one hundred fifty-nine".