4411661 has 2 divisors, whose sum is σ = 4411662. Its totient is φ = 4411660.

The previous prime is 4411643. The next prime is 4411663. The reversal of 4411661 is 1661144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 1705636 = 1645^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 4411661 - 2¹⁸ = 4149517 is a prime.

Together with 4411663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4411663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2205830 + 2205831.

It is an arithmetic number, because the mean of its divisors is an integer number (2205831).

Almost surely, 2^4411661 is an apocalyptic number.

It is an amenable number.

4411661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4411661 is an equidigital number, since it uses as much as digits as its factorization.

4411661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 4411661 is about 2100.3954389591. The cubic root of 4411661 is about 164.0088855983.

The spelling of 4411661 in words is "four million, four hundred eleven thousand, six hundred sixty-one".