6809480 has 64 divisors (see below), whose sum is σ = 16251840. Its totient is φ = 2564352.

The previous prime is 6809459. The next prime is 6809483. The reversal of 6809480 is 849086.

It is a self number, because there is not a number n which added to its sum of digits gives 6809480.

It is not an unprimeable number, because it can be changed into a prime (6809483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63587 + ... + 63693.

It is an arithmetic number, because the mean of its divisors is an integer number (253935).

Almost surely, 2^6809480 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 6809480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8125920).

6809480 is an abundant number, since it is smaller than the sum of its proper divisors (9442360).

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

6809480 is a wasteful number, since it uses less digits than its factorization.

6809480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 6809480 is about 2609.4980360215. The cubic root of 6809480 is about 189.5416467804.

The spelling of 6809480 in words is "six million, eight hundred nine thousand, four hundred eighty".