3973159 has 4 divisors (see below), whose sum is σ = 4009720. Its totient is φ = 3936600.

The previous prime is 3973153. The next prime is 3973163. The reversal of 3973159 is 9513793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9513793 = 43 ⋅221251.

It is a cyclic number.

It is not a de Polignac number, because 3973159 - 2⁷ = 3973031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973153) 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, 18117 + ... + 18334.

It is an arithmetic number, because the mean of its divisors is an integer number (1002430).

Almost surely, 2^3973159 is an apocalyptic number.

3973159 is a deficient number, since it is larger than the sum of its proper divisors (36561).

3973159 is a wasteful number, since it uses less digits than its factorization.

3973159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36560.

The product of its digits is 25515, while the sum is 37.

The square root of 3973159 is about 1993.2784552089. The cubic root of 3973159 is about 158.3842461078.

The spelling of 3973159 in words is "three million, nine hundred seventy-three thousand, one hundred fifty-nine".