3966575 has 6 divisors (see below), whose sum is σ = 4918584. Its totient is φ = 3173240.

The previous prime is 3966563. The next prime is 3966581. The reversal of 3966575 is 5756693.

It is a de Polignac number, because none of the positive numbers 2^k-3966575 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 79307 + ... + 79356.

It is an arithmetic number, because the mean of its divisors is an integer number (819764).

Almost surely, 2^3966575 is an apocalyptic number.

3966575 is a deficient number, since it is larger than the sum of its proper divisors (952009).

3966575 is a wasteful number, since it uses less digits than its factorization.

3966575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158673 (or 158668 counting only the distinct ones).

The product of its digits is 170100, while the sum is 41.

The square root of 3966575 is about 1991.6262199519. The cubic root of 3966575 is about 158.2967105202.

The spelling of 3966575 in words is "three million, nine hundred sixty-six thousand, five hundred seventy-five".