3660841 has 4 divisors (see below), whose sum is σ = 3820032. Its totient is φ = 3501652.

The previous prime is 3660827. The next prime is 3660847. The reversal of 3660841 is 1480663.

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.

It is a cyclic number.

It is not a de Polignac number, because 3660841 - 2¹⁵ = 3628073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660847) 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 3 ways as a sum of consecutive naturals, for example, 79561 + ... + 79606.

It is an arithmetic number, because the mean of its divisors is an integer number (955008).

Almost surely, 2^3660841 is an apocalyptic number.

It is an amenable number.

3660841 is a deficient number, since it is larger than the sum of its proper divisors (159191).

3660841 is a wasteful number, since it uses less digits than its factorization.

3660841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159190.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3660841 is about 1913.3324332170. The cubic root of 3660841 is about 154.1204572813.

The spelling of 3660841 in words is "three million, six hundred sixty thousand, eight hundred forty-one".