6860689 has 4 divisors (see below), whose sum is σ = 7484400. Its totient is φ = 6236980.

The previous prime is 6860683. The next prime is 6860701. The reversal of 6860689 is 9860686.

6860689 is digitally balanced in base 3, 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6860689 - 2³ = 6860681 is a prime.

6860689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6860681) 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, 311839 + ... + 311860.

It is an arithmetic number, because the mean of its divisors is an integer number (1871100).

Almost surely, 2^6860689 is an apocalyptic number.

It is an amenable number.

6860689 is a deficient number, since it is larger than the sum of its proper divisors (623711).

6860689 is a wasteful number, since it uses less digits than its factorization.

6860689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623710.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 6860689 is about 2619.2916981505. The cubic root of 6860689 is about 190.0155942879.

The spelling of 6860689 in words is "six million, eight hundred sixty thousand, six hundred eighty-nine".