6861344 has 24 divisors (see below), whose sum is σ = 15438528. Its totient is φ = 2940480.

The previous prime is 6861331. The next prime is 6861367. The reversal of 6861344 is 4431686.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 6861344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15092 + ... + 15539.

It is an arithmetic number, because the mean of its divisors is an integer number (643272).

Almost surely, 2^6861344 is an apocalyptic number.

It is an amenable number.

6861344 is an abundant number, since it is smaller than the sum of its proper divisors (8577184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6861344 is a wasteful number, since it uses less digits than its factorization.

6861344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30648 (or 30640 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 6861344 is about 2619.4167289685. The cubic root of 6861344 is about 190.0216411176.

The spelling of 6861344 in words is "six million, eight hundred sixty-one thousand, three hundred forty-four".