3666245 has 16 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 2644800.

The previous prime is 3666241. The next prime is 3666251. The reversal of 3666245 is 5426663.

It is not a de Polignac number, because 3666245 - 2² = 3666241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666241) 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 15 ways as a sum of consecutive naturals, for example, 10331 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3666245 is an apocalyptic number.

It is an amenable number.

3666245 is a deficient number, since it is larger than the sum of its proper divisors (1172155).

3666245 is a wasteful number, since it uses less digits than its factorization.

3666245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 25920, while the sum is 32.

The square root of 3666245 is about 1914.7441082296. The cubic root of 3666245 is about 154.1962556631.

The spelling of 3666245 in words is "three million, six hundred sixty-six thousand, two hundred forty-five".