3158687 has 8 divisors (see below), whose sum is σ = 3684000. Its totient is φ = 2707152.

The previous prime is 3158671. The next prime is 3158713. The reversal of 3158687 is 7868513.

3158687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3158687 - 2⁴ = 3158671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3158687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158087) 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, 4262 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (460500).

Almost surely, 2^3158687 is an apocalyptic number.

3158687 is a deficient number, since it is larger than the sum of its proper divisors (525313).

3158687 is an frugal number, since it uses more digits than its factorization.

3158687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9216 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 3158687 is about 1777.2695349890. The cubic root of 3158687 is about 146.7243511617.

The spelling of 3158687 in words is "three million, one hundred fifty-eight thousand, six hundred eighty-seven".