3276561 has 8 divisors (see below), whose sum is σ = 4392160. Its totient is φ = 2172672.

The previous prime is 3276551. The next prime is 3276587. The reversal of 3276561 is 1656723.

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

It is not a de Polignac number, because 3276561 - 2¹⁰ = 3275537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3276521) 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 7 ways as a sum of consecutive naturals, for example, 2251 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (549020).

Almost surely, 2^3276561 is an apocalyptic number.

It is an amenable number.

3276561 is a deficient number, since it is larger than the sum of its proper divisors (1115599).

3276561 is a wasteful number, since it uses less digits than its factorization.

3276561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855.

The product of its digits is 7560, while the sum is 30.

The square root of 3276561 is about 1810.1273435866. The cubic root of 3276561 is about 148.5272314559.

The spelling of 3276561 in words is "three million, two hundred seventy-six thousand, five hundred sixty-one".