3655875 has 16 divisors (see below), whose sum is σ = 6084000. Its totient is φ = 1949600.

The previous prime is 3655849. The next prime is 3655877. The reversal of 3655875 is 5785563.

It is not a de Polignac number, because 3655875 - 2⁷ = 3655747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3655877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4500 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (380250).

Almost surely, 2^3655875 is an apocalyptic number.

3655875 is a deficient number, since it is larger than the sum of its proper divisors (2428125).

3655875 is an equidigital number, since it uses as much as digits as its factorization.

3655875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9767 (or 9757 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 3655875 is about 1912.0342570153. The cubic root of 3655875 is about 154.0507366417.

The spelling of 3655875 in words is "three million, six hundred fifty-five thousand, eight hundred seventy-five".