3945933 has 12 divisors (see below), whose sum is σ = 5720988. Its totient is φ = 2620800.

The previous prime is 3945923. The next prime is 3945937. The reversal of 3945933 is 3395493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 328329 + 3617604 = 573^2 + 1902^2 .

It is not a de Polignac number, because 3945933 - 2⁴ = 3945917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945937) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2383 + ... + 3683.

It is an arithmetic number, because the mean of its divisors is an integer number (476749).

Almost surely, 2^3945933 is an apocalyptic number.

It is an amenable number.

3945933 is a deficient number, since it is larger than the sum of its proper divisors (1775055).

3945933 is a wasteful number, since it uses less digits than its factorization.

3945933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1641 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 3945933 is about 1986.4372630415. The cubic root of 3945933 is about 158.0216415370.

The spelling of 3945933 in words is "three million, nine hundred forty-five thousand, nine hundred thirty-three".