3666371 has 2 divisors, whose sum is σ = 3666372. Its totient is φ = 3666370.

The previous prime is 3666347. The next prime is 3666409. The reversal of 3666371 is 1736663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666371 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833185 + 1833186.

It is an arithmetic number, because the mean of its divisors is an integer number (1833186).

Almost surely, 2^3666371 is an apocalyptic number.

3666371 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666371 is an equidigital number, since it uses as much as digits as its factorization.

3666371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 3666371 is about 1914.7770105158. Note that the first 3 decimals coincide. The cubic root of 3666371 is about 154.1980220940.

The spelling of 3666371 in words is "three million, six hundred sixty-six thousand, three hundred seventy-one".