3966075 has 18 divisors (see below), whose sum is σ = 7104084. Its totient is φ = 2115120.

The previous prime is 3966059. The next prime is 3966089. The reversal of 3966075 is 5706693.

It is a happy number.

It is not a de Polignac number, because 3966075 - 2⁴ = 3966059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8589 + ... + 9038.

Almost surely, 2^3966075 is an apocalyptic number.

3966075 is a deficient number, since it is larger than the sum of its proper divisors (3138009).

3966075 is a wasteful number, since it uses less digits than its factorization.

3966075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17643 (or 17635 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3966075 is about 1991.5006904342. The cubic root of 3966075 is about 158.2900589647.

The spelling of 3966075 in words is "three million, nine hundred sixty-six thousand, seventy-five".