3969695 has 4 divisors (see below), whose sum is σ = 4763640. Its totient is φ = 3175752.

The previous prime is 3969677. The next prime is 3969703. The reversal of 3969695 is 5969693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5969693 = 233 ⋅25621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3969695 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 3 ways as a sum of consecutive naturals, for example, 396965 + ... + 396974.

It is an arithmetic number, because the mean of its divisors is an integer number (1190910).

Almost surely, 2^3969695 is an apocalyptic number.

3969695 is a deficient number, since it is larger than the sum of its proper divisors (793945).

3969695 is an equidigital number, since it uses as much as digits as its factorization.

3969695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793944.

The product of its digits is 393660, while the sum is 47.

The square root of 3969695 is about 1992.4093454910. The cubic root of 3969695 is about 158.3382036052.

It can be divided in two parts, 3969 and 695, that added together give a palindrome (4664).

The spelling of 3969695 in words is "three million, nine hundred sixty-nine thousand, six hundred ninety-five".