3872859 has 8 divisors (see below), whose sum is σ = 5179152. Its totient is φ = 2574240.

The previous prime is 3872851. The next prime is 3872873. The reversal of 3872859 is 9582783.

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

It is not a de Polignac number, because 3872859 - 2³ = 3872851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3872859.

It is not an unprimeable number, because it can be changed into a prime (3872851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (647394).

Almost surely, 2^3872859 is an apocalyptic number.

3872859 is a deficient number, since it is larger than the sum of its proper divisors (1306293).

3872859 is a wasteful number, since it uses less digits than its factorization.

3872859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its digits is 120960, while the sum is 42.

The square root of 3872859 is about 1967.9580788218. The cubic root of 3872859 is about 157.0400995656.

The spelling of 3872859 in words is "three million, eight hundred seventy-two thousand, eight hundred fifty-nine".