3280686 has 8 divisors (see below), whose sum is σ = 6561384. Its totient is φ = 1093560.

The previous prime is 3280681. The next prime is 3280687. The reversal of 3280686 is 6860823.

3280686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3280686 is an admirable number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273385 + ... + 273396.

It is an arithmetic number, because the mean of its divisors is an integer number (820173).

Almost surely, 2^3280686 is an apocalyptic number.

3280686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3280686 is a wasteful number, since it uses less digits than its factorization.

3280686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546786.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 3280686 is about 1811.2664077932. The cubic root of 3280686 is about 148.5895343706.

The spelling of 3280686 in words is "three million, two hundred eighty thousand, six hundred eighty-six".