3945073 has 16 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 3398080.

The previous prime is 3945059. The next prime is 3945077. The reversal of 3945073 is 3705493.

3945073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3945073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3945077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26403 + ... + 26551.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^3945073 is an apocalyptic number.

It is an amenable number.

3945073 is a deficient number, since it is larger than the sum of its proper divisors (590927).

3945073 is a wasteful number, since it uses less digits than its factorization.

3945073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3945073 is about 1986.2207832968. The cubic root of 3945073 is about 158.0101606455.

The spelling of 3945073 in words is "three million, nine hundred forty-five thousand, seventy-three".