3975801 has 4 divisors (see below), whose sum is σ = 5301072. Its totient is φ = 2650532.

The previous prime is 3975791. The next prime is 3975827. The reversal of 3975801 is 1085793.

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 3975801 - 2⁹ = 3975289 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3975701) 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, 662631 + ... + 662636.

It is an arithmetic number, because the mean of its divisors is an integer number (1325268).

Almost surely, 2^3975801 is an apocalyptic number.

It is an amenable number.

3975801 is a deficient number, since it is larger than the sum of its proper divisors (1325271).

3975801 is a wasteful number, since it uses less digits than its factorization.

3975801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325270.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3975801 is about 1993.9410723489. The cubic root of 3975801 is about 158.4193448341.

The spelling of 3975801 in words is "three million, nine hundred seventy-five thousand, eight hundred one".