3967087 has 2 divisors, whose sum is σ = 3967088. Its totient is φ = 3967086.

The previous prime is 3967081. The next prime is 3967111. The reversal of 3967087 is 7807693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3967087 - 2¹⁹ = 3442799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3967081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983543 + 1983544.

It is an arithmetic number, because the mean of its divisors is an integer number (1983544).

Almost surely, 2^3967087 is an apocalyptic number.

3967087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967087 is an equidigital number, since it uses as much as digits as its factorization.

3967087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3967087 is about 1991.7547539795. The cubic root of 3967087 is about 158.3035211338.

Subtracting 3967087 from its reverse (7807693), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 3967087 in words is "three million, nine hundred sixty-seven thousand, eighty-seven".