3312661 has 8 divisors (see below), whose sum is σ = 3627648. Its totient is φ = 3000000.

The previous prime is 3312653. The next prime is 3312679. The reversal of 3312661 is 1662133.

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

It is a 6-Lehmer number, since φ(3312661) divides (3312661-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 3312661 - 2³ = 3312653 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 (3312601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (453456).

Almost surely, 2^3312661 is an apocalyptic number.

It is an amenable number.

3312661 is a deficient number, since it is larger than the sum of its proper divisors (314987).

3312661 is a wasteful number, since it uses less digits than its factorization.

3312661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its digits is 648, while the sum is 22.

The square root of 3312661 is about 1820.0717018843. The cubic root of 3312661 is about 149.0707139984.

Adding to 3312661 its reverse (1662133), we get a palindrome (4974794).

It can be divided in two parts, 331 and 2661, that added together give a palindrome (2992).

The spelling of 3312661 in words is "three million, three hundred twelve thousand, six hundred sixty-one".