3943065 has 48 divisors (see below), whose sum is σ = 7800192. Its totient is φ = 1660416.

The previous prime is 3943061. The next prime is 3943087. The reversal of 3943065 is 5603493.

It is a happy number.

3943065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3943065 - 2² = 3943061 is a prime.

3943065 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943061) 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 47 ways as a sum of consecutive naturals, for example, 83872 + ... + 83918.

It is an arithmetic number, because the mean of its divisors is an integer number (162504).

Almost surely, 2^3943065 is an apocalyptic number.

3943065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3943065 is a deficient number, since it is larger than the sum of its proper divisors (3857127).

3943065 is a wasteful number, since it uses less digits than its factorization.

3943065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3943065 is about 1985.7152363821. The cubic root of 3943065 is about 157.9833476014.

The spelling of 3943065 in words is "three million, nine hundred forty-three thousand, sixty-five".