3857879 has 8 divisors (see below), whose sum is σ = 3998208. Its totient is φ = 3719520.

The previous prime is 3857873. The next prime is 3857891. The reversal of 3857879 is 9787583.

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

It is a cyclic number.

It is not a de Polignac number, because 3857879 - 2⁴ = 3857863 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 (3857873) 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, 4289 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (499776).

Almost surely, 2^3857879 is an apocalyptic number.

3857879 is a deficient number, since it is larger than the sum of its proper divisors (140329).

3857879 is a wasteful number, since it uses less digits than its factorization.

3857879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 423360, while the sum is 47.

The square root of 3857879 is about 1964.1484159808. The cubic root of 3857879 is about 156.8373638702.

The spelling of 3857879 in words is "three million, eight hundred fifty-seven thousand, eight hundred seventy-nine".