3955971 has 8 divisors (see below), whose sum is σ = 5552320. Its totient is φ = 2498472.

The previous prime is 3955969. The next prime is 3955979. The reversal of 3955971 is 1795593.

3955971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3955971 - 2¹ = 3955969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3955979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34645 + ... + 34758.

It is an arithmetic number, because the mean of its divisors is an integer number (694040).

Almost surely, 2^3955971 is an apocalyptic number.

3955971 is a deficient number, since it is larger than the sum of its proper divisors (1596349).

3955971 is a wasteful number, since it uses less digits than its factorization.

3955971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69425.

The product of its digits is 42525, while the sum is 39.

The square root of 3955971 is about 1988.9622922519. The cubic root of 3955971 is about 158.1555243712.

The spelling of 3955971 in words is "three million, nine hundred fifty-five thousand, nine hundred seventy-one".