3879805 has 8 divisors (see below), whose sum is σ = 4806144. Its totient is φ = 3003600.

The previous prime is 3879797. The next prime is 3879817. The reversal of 3879805 is 5089783.

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

It is not a de Polignac number, because 3879805 - 2³ = 3879797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12361 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (600768).

Almost surely, 2^3879805 is an apocalyptic number.

It is an amenable number.

3879805 is a deficient number, since it is larger than the sum of its proper divisors (926339).

3879805 is a wasteful number, since it uses less digits than its factorization.

3879805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25067.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3879805 is about 1969.7220616117. The cubic root of 3879805 is about 157.1339276705.

The spelling of 3879805 in words is "three million, eight hundred seventy-nine thousand, eight hundred five".