3866159 has 4 divisors (see below), whose sum is σ = 4217640. Its totient is φ = 3514680.

The previous prime is 3866147. The next prime is 3866171. The reversal of 3866159 is 9516683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9516683 = 11 ⋅865153.

It is an interprime number because it is at equal distance from previous prime (3866147) and next prime (3866171).

It is a cyclic number.

It is not a de Polignac number, because 3866159 - 2⁴ = 3866143 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 (3868159) 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, 175724 + ... + 175745.

It is an arithmetic number, because the mean of its divisors is an integer number (1054410).

Almost surely, 2^3866159 is an apocalyptic number.

3866159 is a deficient number, since it is larger than the sum of its proper divisors (351481).

3866159 is a wasteful number, since it uses less digits than its factorization.

3866159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351480.

The product of its digits is 38880, while the sum is 38.

The square root of 3866159 is about 1966.2550699235. The cubic root of 3866159 is about 156.9494881252.

The spelling of 3866159 in words is "three million, eight hundred sixty-six thousand, one hundred fifty-nine".