6899328 has 96 divisors (see below), whose sum is σ = 20407140. Its totient is φ = 2236416.

The previous prime is 6899327. The next prime is 6899339. The reversal of 6899328 is 8239986.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 304704 = 2568^2 + 552^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61000 + ... + 61112.

Almost surely, 2^6899328 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 6899328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10203570).

6899328 is an abundant number, since it is smaller than the sum of its proper divisors (13507812).

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

6899328 is a wasteful number, since it uses less digits than its factorization.

6899328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 171 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6899328 is about 2626.6571911843. The cubic root of 6899328 is about 190.3716456141.

It can be divided in two parts, 6899 and 328, that added together give a palindrome (7227).

The spelling of 6899328 in words is "six million, eight hundred ninety-nine thousand, three hundred twenty-eight".