3958687 has 2 divisors, whose sum is σ = 3958688. Its totient is φ = 3958686.

The previous prime is 3958657. The next prime is 3958697. The reversal of 3958687 is 7868593.

It is a strong prime.

It is an emirp because it is prime and its reverse (7868593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3958687 - 2¹¹ = 3956639 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3958627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1979343 + 1979344.

It is an arithmetic number, because the mean of its divisors is an integer number (1979344).

Almost surely, 2^3958687 is an apocalyptic number.

3958687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3958687 is an equidigital number, since it uses as much as digits as its factorization.

3958687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 3958687 is about 1989.6449431997. The cubic root of 3958687 is about 158.1917103576.

The spelling of 3958687 in words is "three million, nine hundred fifty-eight thousand, six hundred eighty-seven".