3958697 has 2 divisors, whose sum is σ = 3958698. Its totient is φ = 3958696.

The previous prime is 3958687. The next prime is 3958727. The reversal of 3958697 is 7968593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 678976 = 1811^2 + 824^2 .

It is an emirp because it is prime and its reverse (7968593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3958697 - 2¹⁰ = 3957673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3958627) 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 as a sum of consecutive naturals, namely, 1979348 + 1979349.

It is an arithmetic number, because the mean of its divisors is an integer number (1979349).

Almost surely, 2^3958697 is an apocalyptic number.

It is an amenable number.

3958697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3958697 is an equidigital number, since it uses as much as digits as its factorization.

3958697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 3958697 is about 1989.6474562093. The cubic root of 3958697 is about 158.1918435596.

The spelling of 3958697 in words is "three million, nine hundred fifty-eight thousand, six hundred ninety-seven".