3858959 has 4 divisors (see below), whose sum is σ = 4155816. Its totient is φ = 3562104.

The previous prime is 3858947. The next prime is 3858971. The reversal of 3858959 is 9598583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9598583 = 359 ⋅26737.

It is an interprime number because it is at equal distance from previous prime (3858947) and next prime (3858971).

It is not a de Polignac number, because 3858959 - 2¹⁶ = 3793423 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 (3858929) 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, 148409 + ... + 148434.

It is an arithmetic number, because the mean of its divisors is an integer number (1038954).

Almost surely, 2^3858959 is an apocalyptic number.

3858959 is a deficient number, since it is larger than the sum of its proper divisors (296857).

3858959 is a wasteful number, since it uses less digits than its factorization.

3858959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296856.

The product of its digits is 388800, while the sum is 47.

The square root of 3858959 is about 1964.4233250499. The cubic root of 3858959 is about 156.8519978655.

The spelling of 3858959 in words is "three million, eight hundred fifty-eight thousand, nine hundred fifty-nine".