3241661 has 4 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 3193212.

The previous prime is 3241657. The next prime is 3241669. The reversal of 3241661 is 1661423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1661423 = 631 ⋅2633.

It is a cyclic number.

It is not a de Polignac number, because 3241661 - 2² = 3241657 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3241669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24125 + ... + 24258.

It is an arithmetic number, because the mean of its divisors is an integer number (822528).

Almost surely, 2^3241661 is an apocalyptic number.

It is an amenable number.

3241661 is a deficient number, since it is larger than the sum of its proper divisors (48451).

3241661 is an equidigital number, since it uses as much as digits as its factorization.

3241661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48450.

The product of its digits is 864, while the sum is 23.

The square root of 3241661 is about 1800.4613297708. The cubic root of 3241661 is about 147.9980064255.

The spelling of 3241661 in words is "three million, two hundred forty-one thousand, six hundred sixty-one".