3965413 has 4 divisors (see below), whose sum is σ = 3985740. Its totient is φ = 3945088.

The previous prime is 3965393. The next prime is 3965419. The reversal of 3965413 is 3145693.

3965413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3145693 = 107 ⋅29399.

It can be written as a sum of positive squares in 2 ways, for example, as 3751969 + 213444 = 1937^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 3965413 - 2²¹ = 1868261 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965419) 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 3 ways as a sum of consecutive naturals, for example, 9868 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (996435).

Almost surely, 2^3965413 is an apocalyptic number.

It is an amenable number.

3965413 is a deficient number, since it is larger than the sum of its proper divisors (20327).

3965413 is a wasteful number, since it uses less digits than its factorization.

3965413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20326.

The product of its digits is 9720, while the sum is 31.

The square root of 3965413 is about 1991.3344771786. The cubic root of 3965413 is about 158.2812514451.

The spelling of 3965413 in words is "three million, nine hundred sixty-five thousand, four hundred thirteen".