6873861 has 4 divisors (see below), whose sum is σ = 9165152. Its totient is φ = 4582572.

The previous prime is 6873833. The next prime is 6873863. The reversal of 6873861 is 1683786.

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 6873861 - 2⁵ = 6873829 is a prime.

It is an Ulam number.

It is a D-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 (6873863) 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, 1145641 + ... + 1145646.

It is an arithmetic number, because the mean of its divisors is an integer number (2291288).

Almost surely, 2^6873861 is an apocalyptic number.

It is an amenable number.

6873861 is a deficient number, since it is larger than the sum of its proper divisors (2291291).

6873861 is a wasteful number, since it uses less digits than its factorization.

6873861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291290.

The product of its digits is 48384, while the sum is 39.

The square root of 6873861 is about 2621.8049126508. The cubic root of 6873861 is about 190.1371216997.

The spelling of 6873861 in words is "six million, eight hundred seventy-three thousand, eight hundred sixty-one".