3895005 has 8 divisors (see below), whose sum is σ = 6232032. Its totient is φ = 2077328.

The previous prime is 3894991. The next prime is 3895037. The reversal of 3895005 is 5005983.

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 3895005 - 2⁵ = 3894973 is a prime.

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, 129819 + ... + 129848.

It is an arithmetic number, because the mean of its divisors is an integer number (779004).

Almost surely, 2^3895005 is an apocalyptic number.

It is an amenable number.

3895005 is a deficient number, since it is larger than the sum of its proper divisors (2337027).

3895005 is a wasteful number, since it uses less digits than its factorization.

3895005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259675.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3895005 is about 1973.5767023351. The cubic root of 3895005 is about 157.3388626604.

The spelling of 3895005 in words is "three million, eight hundred ninety-five thousand, five".