3695997 has 4 divisors (see below), whose sum is σ = 4928000. Its totient is φ = 2463996.

The previous prime is 3695983. The next prime is 3696001. The reversal of 3695997 is 7995963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7995963 = 3 ⋅2665321.

It is not a de Polignac number, because 3695997 - 2⁴ = 3695981 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3695947) 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 3 ways as a sum of consecutive naturals, for example, 615997 + ... + 616002.

It is an arithmetic number, because the mean of its divisors is an integer number (1232000).

Almost surely, 2^3695997 is an apocalyptic number.

It is an amenable number.

3695997 is a deficient number, since it is larger than the sum of its proper divisors (1232003).

3695997 is a wasteful number, since it uses less digits than its factorization.

3695997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232002.

The product of its digits is 459270, while the sum is 48.

The square root of 3695997 is about 1922.4975942768. The cubic root of 3695997 is about 154.6122392180.

The spelling of 3695997 in words is "three million, six hundred ninety-five thousand, nine hundred ninety-seven".