3870001 has 2 divisors, whose sum is σ = 3870002. Its totient is φ = 3870000.

The previous prime is 3869993. The next prime is 3870011. The reversal of 3870001 is 1000783.

3870001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 1752976 = 1455^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870001 - 2³ = 3869993 is a prime.

It is not a weakly prime, because it can be changed into another prime (3870011) 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 as a sum of consecutive naturals, namely, 1935000 + 1935001.

It is an arithmetic number, because the mean of its divisors is an integer number (1935001).

Almost surely, 2^3870001 is an apocalyptic number.

It is an amenable number.

3870001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870001 is an equidigital number, since it uses as much as digits as its factorization.

3870001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 3870001 is about 1967.2318114549. The cubic root of 3870001 is about 157.0014604919.

Adding to 3870001 its reverse (1000783), we get a palindrome (4870784).

The spelling of 3870001 in words is "three million, eight hundred seventy thousand, one".