3862987 has 2 divisors, whose sum is σ = 3862988. Its totient is φ = 3862986.

The previous prime is 3862939. The next prime is 3862993. The reversal of 3862987 is 7892683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3862987 - 2¹¹ = 3860939 is a prime.

It is not a weakly prime, because it can be changed into another prime (3862997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931493 + 1931494.

It is an arithmetic number, because the mean of its divisors is an integer number (1931494).

Almost surely, 2^3862987 is an apocalyptic number.

3862987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3862987 is an equidigital number, since it uses as much as digits as its factorization.

3862987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 3862987 is about 1965.4482949190. The cubic root of 3862987 is about 156.9065531786.

The spelling of 3862987 in words is "three million, eight hundred sixty-two thousand, nine hundred eighty-seven".