3187697 has 4 divisors (see below), whose sum is σ = 3191460. Its totient is φ = 3183936.

The previous prime is 3187669. The next prime is 3187703. The reversal of 3187697 is 7967813.

3187697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2483776 + 703921 = 1576^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 3187697 - 2⁸ = 3187441 is a prime.

It is a super-2 number, since 2×3187697² = 20322824327618, which contains 22 as substring.

It is an Ulam 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 (3187607) 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 3 ways as a sum of consecutive naturals, for example, 53 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (797865).

Almost surely, 2^3187697 is an apocalyptic number.

It is an amenable number.

3187697 is a deficient number, since it is larger than the sum of its proper divisors (3763).

3187697 is a wasteful number, since it uses less digits than its factorization.

3187697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762.

The product of its digits is 63504, while the sum is 41.

The square root of 3187697 is about 1785.4122773186. The cubic root of 3187697 is about 147.1721647361.

The spelling of 3187697 in words is "three million, one hundred eighty-seven thousand, six hundred ninety-seven".