3936997 has 2 divisors, whose sum is σ = 3936998. Its totient is φ = 3936996.

The previous prime is 3936973. The next prime is 3937019. The reversal of 3936997 is 7996393.

3936997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 729316 = 1791^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 3936997 - 2⁷ = 3936869 is a prime.

3936997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3936917) 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 as a sum of consecutive naturals, namely, 1968498 + 1968499.

It is an arithmetic number, because the mean of its divisors is an integer number (1968499).

Almost surely, 2^3936997 is an apocalyptic number.

It is an amenable number.

3936997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3936997 is an equidigital number, since it uses as much as digits as its factorization.

3936997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 46.

The square root of 3936997 is about 1984.1867351638. The cubic root of 3936997 is about 157.9022655728.

The spelling of 3936997 in words is "three million, nine hundred thirty-six thousand, nine hundred ninety-seven".