3666303 has 10 divisors (see below), whose sum is σ = 5476944. Its totient is φ = 2444148.

The previous prime is 3666301. The next prime is 3666317. The reversal of 3666303 is 3036663.

It is not a de Polignac number, because 3666303 - 2¹ = 3666301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666301) 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 in 9 ways as a sum of consecutive naturals, for example, 22551 + ... + 22712.

Almost surely, 2^3666303 is an apocalyptic number.

3666303 is a deficient number, since it is larger than the sum of its proper divisors (1810641).

3666303 is an equidigital number, since it uses as much as digits as its factorization.

3666303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45275 (or 45266 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 3666303 is about 1914.7592537967. The cubic root of 3666303 is about 154.1970687871.

It can be divided in two parts, 3666 and 303, that added together give a square (3969 = 63²).

The spelling of 3666303 in words is "three million, six hundred sixty-six thousand, three hundred three".