3967695 has 24 divisors (see below), whose sum is σ = 7066176. Its totient is φ = 2058048.

The previous prime is 3967687. The next prime is 3967699. The reversal of 3967695 is 5967693.

It is not a de Polignac number, because 3967695 - 2³ = 3967687 is a prime.

It is a super-2 number, since 2×3967695² = 31485207226050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3967695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967699) 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 in 23 ways as a sum of consecutive naturals, for example, 474 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (294424).

Almost surely, 2^3967695 is an apocalyptic number.

3967695 is a deficient number, since it is larger than the sum of its proper divisors (3098481).

3967695 is a wasteful number, since it uses less digits than its factorization.

3967695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2428 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3967695 is about 1991.9073773647. The cubic root of 3967695 is about 158.3116079764.

The spelling of 3967695 in words is "three million, nine hundred sixty-seven thousand, six hundred ninety-five".