3945075 has 24 divisors (see below), whose sum is σ = 6809088. Its totient is φ = 2011680.

The previous prime is 3945059. The next prime is 3945077. The reversal of 3945075 is 5705493.

It is not a de Polignac number, because 3945075 - 2⁴ = 3945059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3945077) 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, 582 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (283712).

Almost surely, 2^3945075 is an apocalyptic number.

3945075 is a deficient number, since it is larger than the sum of its proper divisors (2864013).

3945075 is a wasteful number, since it uses less digits than its factorization.

3945075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3945075 is about 1986.2212867654. The cubic root of 3945075 is about 158.0101873472.

The spelling of 3945075 in words is "three million, nine hundred forty-five thousand, seventy-five".