3093661 has 4 divisors (see below), whose sum is σ = 3228192. Its totient is φ = 2959132.

The previous prime is 3093647. The next prime is 3093689. The reversal of 3093661 is 1663903.

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: 1663903 = 41 ⋅40583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3093661 is a prime.

It is a Duffinian number.

3093661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3093611) 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, 67231 + ... + 67276.

It is an arithmetic number, because the mean of its divisors is an integer number (807048).

Almost surely, 2^3093661 is an apocalyptic number.

It is an amenable number.

3093661 is a deficient number, since it is larger than the sum of its proper divisors (134531).

3093661 is a wasteful number, since it uses less digits than its factorization.

3093661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134530.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3093661 is about 1758.8806099335. The cubic root of 3093661 is about 145.7105198034.

The spelling of 3093661 in words is "three million, ninety-three thousand, six hundred sixty-one".