3955975 has 12 divisors (see below), whose sum is σ = 4933960. Its totient is φ = 3146400.

The previous prime is 3955969. The next prime is 3955979. The reversal of 3955975 is 5795593.

It is not a de Polignac number, because 3955975 - 2¹¹ = 3953927 is a prime.

3955975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955979) 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, 5380 + ... + 6070.

Almost surely, 2^3955975 is an apocalyptic number.

3955975 is a deficient number, since it is larger than the sum of its proper divisors (977985).

3955975 is a wasteful number, since it uses less digits than its factorization.

3955975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 925 counting only the distinct ones).

The product of its digits is 212625, while the sum is 43.

The square root of 3955975 is about 1988.9632978011. The cubic root of 3955975 is about 158.1555776764.

The spelling of 3955975 in words is "three million, nine hundred fifty-five thousand, nine hundred seventy-five".