3942901 has 4 divisors (see below), whose sum is σ = 3956652. Its totient is φ = 3929152.

The previous prime is 3942889. The next prime is 3942907. The reversal of 3942901 is 1092493.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3880900 + 62001 = 1970^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942901 - 2⁷ = 3942773 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 3942901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6436 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (989163).

Almost surely, 2^3942901 is an apocalyptic number.

It is an amenable number.

3942901 is a deficient number, since it is larger than the sum of its proper divisors (13751).

3942901 is a wasteful number, since it uses less digits than its factorization.

3942901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13750.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 3942901 is about 1985.6739410084. The cubic root of 3942901 is about 157.9811572894.

The spelling of 3942901 in words is "three million, nine hundred forty-two thousand, nine hundred one".