6771384 has 128 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 2040192.

The previous prime is 6771383. The next prime is 6771397. The reversal of 6771384 is 4831776.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144049 + ... + 144095.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

Almost surely, 2^6771384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6771384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368000).

6771384 is an abundant number, since it is smaller than the sum of its proper divisors (13964616).

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

6771384 is a wasteful number, since it uses less digits than its factorization.

6771384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 104 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 6771384 is about 2602.1883098654. The cubic root of 6771384 is about 189.1875186012.

The spelling of 6771384 in words is "six million, seven hundred seventy-one thousand, three hundred eighty-four".