3958065 has 40 divisors (see below), whose sum is σ = 7361640. Its totient is φ = 2032128.

The previous prime is 3958063. The next prime is 3958069. The reversal of 3958065 is 5608593.

3958065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 178929 + 3779136 = 423^2 + 1944^2 .

It is not a de Polignac number, because 3958065 - 2¹ = 3958063 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 (3958063) 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 39 ways as a sum of consecutive naturals, for example, 11577 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (184041).

Almost surely, 2^3958065 is an apocalyptic number.

It is an amenable number.

3958065 is a deficient number, since it is larger than the sum of its proper divisors (3403575).

3958065 is a wasteful number, since it uses less digits than its factorization.

3958065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 3958065 is about 1989.4886277634. The cubic root of 3958065 is about 158.1834247486.

The spelling of 3958065 in words is "three million, nine hundred fifty-eight thousand, sixty-five".