3855975 has 12 divisors (see below), whose sum is σ = 6375336. Its totient is φ = 2056480.

The previous prime is 3855967. The next prime is 3855977. The reversal of 3855975 is 5795583.

It is not a de Polignac number, because 3855975 - 2³ = 3855967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25632 + ... + 25781.

It is an arithmetic number, because the mean of its divisors is an integer number (531278).

Almost surely, 2^3855975 is an apocalyptic number.

3855975 is a deficient number, since it is larger than the sum of its proper divisors (2519361).

3855975 is a wasteful number, since it uses less digits than its factorization.

3855975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51426 (or 51421 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 3855975 is about 1963.6636677395. The cubic root of 3855975 is about 156.8115580254.

The spelling of 3855975 in words is "three million, eight hundred fifty-five thousand, nine hundred seventy-five".