4002159 has 8 divisors (see below), whose sum is σ = 6098560. Its totient is φ = 2286936.

The previous prime is 4002143. The next prime is 4002169. The reversal of 4002159 is 9512004.

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

It is not a de Polignac number, because 4002159 - 2⁴ = 4002143 is a prime.

It is a super-2 number, since 2×4002159² = 32034553322562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 190579 = 4002159 / (4 + 0 + 0 + 2 + 1 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002109) 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 7 ways as a sum of consecutive naturals, for example, 95269 + ... + 95310.

It is an arithmetic number, because the mean of its divisors is an integer number (762320).

Almost surely, 2^4002159 is an apocalyptic number.

4002159 is a deficient number, since it is larger than the sum of its proper divisors (2096401).

4002159 is a wasteful number, since it uses less digits than its factorization.

4002159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190589.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 4002159 is about 2000.5396771871. The cubic root of 4002159 is about 158.7686600505.

The spelling of 4002159 in words is "four million, two thousand, one hundred fifty-nine".