3942001 has 6 divisors (see below), whose sum is σ = 4585650. Its totient is φ = 3378816.

The previous prime is 3941969. The next prime is 3942007. The reversal of 3942001 is 1002493.

3942001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3236401 + 705600 = 1799^2 + 840^2 .

It is not a de Polignac number, because 3942001 - 2⁵ = 3941969 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 3942001.

It is not an unprimeable number, because it can be changed into a prime (3942007) 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 5 ways as a sum of consecutive naturals, for example, 40176 + ... + 40273.

It is an arithmetic number, because the mean of its divisors is an integer number (764275).

Almost surely, 2^3942001 is an apocalyptic number.

It is an amenable number.

3942001 is a deficient number, since it is larger than the sum of its proper divisors (643649).

3942001 is an equidigital number, since it uses as much as digits as its factorization.

3942001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80463 (or 80456 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3942001 is about 1985.4473047654. The cubic root of 3942001 is about 157.9691362029.

Adding to 3942001 its reverse (1002493), we get a palindrome (4944494).

The spelling of 3942001 in words is "three million, nine hundred forty-two thousand, one".