6861384 has 48 divisors (see below), whose sum is σ = 18708300. Its totient is φ = 2271744.

The previous prime is 6861377. The next prime is 6861397. The reversal of 6861384 is 4831686.

It is a happy number.

6861384 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6812100 + 49284 = 2610^2 + 222^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16572 + ... + 16980.

Almost surely, 2^6861384 is an apocalyptic number.

It is an amenable number.

6861384 is an abundant number, since it is smaller than the sum of its proper divisors (11846916).

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

6861384 is a wasteful number, since it uses less digits than its factorization.

6861384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 647 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6861384 is about 2619.4243642449. The cubic root of 6861384 is about 190.0220103772.

The spelling of 6861384 in words is "six million, eight hundred sixty-one thousand, three hundred eighty-four".