3859117 has 4 divisors (see below), whose sum is σ = 3992220. Its totient is φ = 3726016.

The previous prime is 3859099. The next prime is 3859127. The reversal of 3859117 is 7119583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7119583 = 17 ⋅418799.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 1359556 = 1581^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 3859117 - 2¹⁹ = 3334829 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 (3859127) 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 3 ways as a sum of consecutive naturals, for example, 66508 + ... + 66565.

It is an arithmetic number, because the mean of its divisors is an integer number (998055).

Almost surely, 2^3859117 is an apocalyptic number.

It is an amenable number.

3859117 is a deficient number, since it is larger than the sum of its proper divisors (133103).

3859117 is a wasteful number, since it uses less digits than its factorization.

3859117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133102.

The product of its digits is 7560, while the sum is 34.

The square root of 3859117 is about 1964.4635400027. The cubic root of 3859117 is about 156.8541385359.

The spelling of 3859117 in words is "three million, eight hundred fifty-nine thousand, one hundred seventeen".