3967895 has 8 divisors (see below), whose sum is σ = 4775760. Its totient is φ = 3164800.

The previous prime is 3967877. The next prime is 3967913. The reversal of 3967895 is 5987693.

It is an interprime number because it is at equal distance from previous prime (3967877) and next prime (3967913).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3967895 - 2¹⁰ = 3966871 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (596970).

Almost surely, 2^3967895 is an apocalyptic number.

3967895 is a deficient number, since it is larger than the sum of its proper divisors (807865).

3967895 is a wasteful number, since it uses less digits than its factorization.

3967895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385.

The product of its digits is 408240, while the sum is 47.

The square root of 3967895 is about 1991.9575798696. The cubic root of 3967895 is about 158.3142679414.

The spelling of 3967895 in words is "three million, nine hundred sixty-seven thousand, eight hundred ninety-five".