3970001 has 4 divisors (see below), whose sum is σ = 4537152. Its totient is φ = 3402852.

The previous prime is 3969997. The next prime is 3970009. The reversal of 3970001 is 1000793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3970001 - 2² = 3969997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283565 + ... + 283578.

It is an arithmetic number, because the mean of its divisors is an integer number (1134288).

Almost surely, 2^3970001 is an apocalyptic number.

It is an amenable number.

3970001 is a deficient number, since it is larger than the sum of its proper divisors (567151).

3970001 is an equidigital number, since it uses as much as digits as its factorization.

3970001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567150.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 3970001 is about 1992.4861354599. The cubic root of 3970001 is about 158.3422719484.

Adding to 3970001 its reverse (1000793), we get a palindrome (4970794).

The spelling of 3970001 in words is "three million, nine hundred seventy thousand, one".