3971633 has 8 divisors (see below), whose sum is σ = 4065600. Its totient is φ = 3878928.

The previous prime is 3971621. The next prime is 3971651. The reversal of 3971633 is 3361793.

3971633 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 3971633 - 2⁸ = 3971377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3971633.

It is not an unprimeable number, because it can be changed into a prime (3971333) 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, 8828 + ... + 9266.

It is an arithmetic number, because the mean of its divisors is an integer number (508200).

Almost surely, 2^3971633 is an apocalyptic number.

It is an amenable number.

3971633 is a deficient number, since it is larger than the sum of its proper divisors (93967).

3971633 is a wasteful number, since it uses less digits than its factorization.

3971633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 10206, while the sum is 32.

The square root of 3971633 is about 1992.8956319888. The cubic root of 3971633 is about 158.3639662491.

The spelling of 3971633 in words is "three million, nine hundred seventy-one thousand, six hundred thirty-three".