3940001 has 8 divisors (see below), whose sum is σ = 4267200. Its totient is φ = 3616272.

The previous prime is 3939997. The next prime is 3940009. The reversal of 3940001 is 1000493.

3940001 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 3940001 - 2² = 3939997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940009) 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, 1826 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (533400).

Almost surely, 2^3940001 is an apocalyptic number.

It is an amenable number.

3940001 is a deficient number, since it is larger than the sum of its proper divisors (327199).

3940001 is a wasteful number, since it uses less digits than its factorization.

3940001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3940001 is about 1984.9435760243. The cubic root of 3940001 is about 157.9424161253.

Adding to 3940001 its reverse (1000493), we get a palindrome (4940494).

The spelling of 3940001 in words is "three million, nine hundred forty thousand, one".