3687897 has 8 divisors (see below), whose sum is σ = 4928256. Its totient is φ = 2453072.

The previous prime is 3687869. The next prime is 3687911. The reversal of 3687897 is 7987863.

3687897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3687897 - 2⁶ = 3687833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3687847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (616032).

Almost surely, 2^3687897 is an apocalyptic number.

It is an amenable number.

3687897 is a deficient number, since it is larger than the sum of its proper divisors (1240359).

3687897 is a wasteful number, since it uses less digits than its factorization.

3687897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

The product of its digits is 508032, while the sum is 48.

The square root of 3687897 is about 1920.3898041804. The cubic root of 3687897 is about 154.4992092627.

The spelling of 3687897 in words is "three million, six hundred eighty-seven thousand, eight hundred ninety-seven".