6922784 has 48 divisors (see below), whose sum is σ = 15132096. Its totient is φ = 3091200.

The previous prime is 6922763. The next prime is 6922787. The reversal of 6922784 is 4872296.

It is a d-powerful number, because it can be written as 6⁵ + 9⁷ + 2¹¹ + 2²¹ + 7 + 8⁵ + 4³ .

It is not an unprimeable number, because it can be changed into a prime (6922787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24854 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (315252).

Almost surely, 2^6922784 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 6922784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7566048).

6922784 is an abundant number, since it is smaller than the sum of its proper divisors (8209312).

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

6922784 is a wasteful number, since it uses less digits than its factorization.

6922784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 361 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 6922784 is about 2631.1183933833. The cubic root of 6922784 is about 190.5871403447.

The spelling of 6922784 in words is "six million, nine hundred twenty-two thousand, seven hundred eighty-four".