3971365 has 8 divisors (see below), whose sum is σ = 4788000. Its totient is φ = 3162192.

The previous prime is 3971333. The next prime is 3971377. The reversal of 3971365 is 5631793.

3971365 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 a cyclic number.

It is not a de Polignac number, because 3971365 - 2⁵ = 3971333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3971365.

It is a congruent number.

It is an unprimeable number.

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, 615 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^3971365 is an apocalyptic number.

It is an amenable number.

3971365 is a deficient number, since it is larger than the sum of its proper divisors (816635).

3971365 is a wasteful number, since it uses less digits than its factorization.

3971365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 17010, while the sum is 34.

The square root of 3971365 is about 1992.8283920097. The cubic root of 3971365 is about 158.3604041125.

The spelling of 3971365 in words is "three million, nine hundred seventy-one thousand, three hundred sixty-five".