3908687 has 2 divisors, whose sum is σ = 3908688. Its totient is φ = 3908686.

The previous prime is 3908659. The next prime is 3908693. The reversal of 3908687 is 7868093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3908687 - 2¹² = 3904591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3908617) 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, 1954343 + 1954344.

It is an arithmetic number, because the mean of its divisors is an integer number (1954344).

Almost surely, 2^3908687 is an apocalyptic number.

3908687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3908687 is an equidigital number, since it uses as much as digits as its factorization.

3908687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3908687 is about 1977.0399591308. The cubic root of 3908687 is about 157.5228756561.

The spelling of 3908687 in words is "three million, nine hundred eight thousand, six hundred eighty-seven".