3845005 has 8 divisors (see below), whose sum is σ = 4679424. Its totient is φ = 3032400.

The previous prime is 3844999. The next prime is 3845027. The reversal of 3845005 is 5005483.

It is a happy number.

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

It is not a de Polignac number, because 3845005 - 2⁷ = 3844877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5061 + ... + 5770.

It is an arithmetic number, because the mean of its divisors is an integer number (584928).

Almost surely, 2^3845005 is an apocalyptic number.

It is an amenable number.

3845005 is a deficient number, since it is larger than the sum of its proper divisors (834419).

3845005 is a wasteful number, since it uses less digits than its factorization.

3845005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3845005 is about 1960.8684300585. The cubic root of 3845005 is about 156.6627105283.

The spelling of 3845005 in words is "three million, eight hundred forty-five thousand, five".