3931933 has 2 divisors, whose sum is σ = 3931934. Its totient is φ = 3931932.

The previous prime is 3931927. The next prime is 3931943. The reversal of 3931933 is 3391393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3892729 + 39204 = 1973^2 + 198^2 .

It is an emirp because it is prime and its reverse (3391393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3931933 - 2¹⁷ = 3800861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3931895 and 3931904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3931943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965966 + 1965967.

It is an arithmetic number, because the mean of its divisors is an integer number (1965967).

Almost surely, 2^3931933 is an apocalyptic number.

It is an amenable number.

3931933 is a deficient number, since it is larger than the sum of its proper divisors (1).

3931933 is an equidigital number, since it uses as much as digits as its factorization.

3931933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6561, while the sum is 31.

The square root of 3931933 is about 1982.9102349829. The cubic root of 3931933 is about 157.8345354258.

The spelling of 3931933 in words is "three million, nine hundred thirty-one thousand, nine hundred thirty-three".