3087689 has 4 divisors (see below), whose sum is σ = 3368400. Its totient is φ = 2806980.

The previous prime is 3087673. The next prime is 3087703. The reversal of 3087689 is 9867803.

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.

It is not a de Polignac number, because 3087689 - 2⁴ = 3087673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3087619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140339 + ... + 140360.

It is an arithmetic number, because the mean of its divisors is an integer number (842100).

Almost surely, 2^3087689 is an apocalyptic number.

It is an amenable number.

3087689 is a deficient number, since it is larger than the sum of its proper divisors (280711).

3087689 is a wasteful number, since it uses less digits than its factorization.

3087689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280710.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3087689 is about 1757.1821191897. The cubic root of 3087689 is about 145.6166995951.

It can be divided in two parts, 308 and 7689, that added together give a palindrome (7997).

The spelling of 3087689 in words is "three million, eighty-seven thousand, six hundred eighty-nine".