3923687 has 2 divisors, whose sum is σ = 3923688. Its totient is φ = 3923686.

The previous prime is 3923681. The next prime is 3923723. The reversal of 3923687 is 7863293.

It is a weak prime.

It is an emirp because it is prime and its reverse (7863293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3923687 - 2¹⁴ = 3907303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3923687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3923681) 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, 1961843 + 1961844.

It is an arithmetic number, because the mean of its divisors is an integer number (1961844).

Almost surely, 2^3923687 is an apocalyptic number.

3923687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3923687 is an equidigital number, since it uses as much as digits as its factorization.

3923687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 3923687 is about 1980.8298765921. The cubic root of 3923687 is about 157.7241220089.

The spelling of 3923687 in words is "three million, nine hundred twenty-three thousand, six hundred eighty-seven".