3970641 has 8 divisors (see below), whose sum is σ = 5384160. Its totient is φ = 2602112.

The previous prime is 3970633. The next prime is 3970643. The reversal of 3970641 is 1460793.

It is a happy number.

3970641 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 3970641 - 2³ = 3970633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3970599 and 3970608.

It is not an unprimeable number, because it can be changed into a prime (3970643) 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, 11040 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (673020).

Almost surely, 2^3970641 is an apocalyptic number.

It is an amenable number.

3970641 is a deficient number, since it is larger than the sum of its proper divisors (1413519).

3970641 is a wasteful number, since it uses less digits than its factorization.

3970641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22495.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3970641 is about 1992.6467323638. The cubic root of 3970641 is about 158.3507802258.

The spelling of 3970641 in words is "three million, nine hundred seventy thousand, six hundred forty-one".