3666975 has 24 divisors (see below), whose sum is σ = 6530832. Its totient is φ = 1804800.

The previous prime is 3666961. The next prime is 3666979. The reversal of 3666975 is 5796663.

It is a de Polignac number, because none of the positive numbers 2^k-3666975 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (272118).

Almost surely, 2^3666975 is an apocalyptic number.

3666975 is a deficient number, since it is larger than the sum of its proper divisors (2863857).

3666975 is a wasteful number, since it uses less digits than its factorization.

3666975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3782 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 3666975 is about 1914.9347247361. The cubic root of 3666975 is about 154.2064891851.

The spelling of 3666975 in words is "three million, six hundred sixty-six thousand, nine hundred seventy-five".