3288661 has 4 divisors (see below), whose sum is σ = 3321324. Its totient is φ = 3256000.

The previous prime is 3288631. The next prime is 3288673. The reversal of 3288661 is 1668823.

3288661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2910436 + 378225 = 1706^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 3288661 - 2¹³ = 3280469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3288611) 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, 16180 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (830331).

Almost surely, 2^3288661 is an apocalyptic number.

It is an amenable number.

3288661 is a deficient number, since it is larger than the sum of its proper divisors (32663).

3288661 is a wasteful number, since it uses less digits than its factorization.

3288661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32662.

The product of its digits is 13824, while the sum is 34.

The square root of 3288661 is about 1813.4665698601. The cubic root of 3288661 is about 148.7098387447.

The spelling of 3288661 in words is "three million, two hundred eighty-eight thousand, six hundred sixty-one".