3661771 has 2 divisors, whose sum is σ = 3661772. Its totient is φ = 3661770.

The previous prime is 3661759. The next prime is 3661781. The reversal of 3661771 is 1771663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3661771 - 2⁵ = 3661739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3661781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830885 + 1830886.

It is an arithmetic number, because the mean of its divisors is an integer number (1830886).

Almost surely, 2^3661771 is an apocalyptic number.

3661771 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661771 is an equidigital number, since it uses as much as digits as its factorization.

3661771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 31.

The square root of 3661771 is about 1913.5754492572. The cubic root of 3661771 is about 154.1335070960.

The spelling of 3661771 in words is "three million, six hundred sixty-one thousand, seven hundred seventy-one".