3963397 has 4 divisors (see below), whose sum is σ = 4196556. Its totient is φ = 3730240.

The previous prime is 3963391. The next prime is 3963409. The reversal of 3963397 is 7933693.

3963397 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 1406596 = 1599^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 3963397 - 2⁷ = 3963269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963391) 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, 116554 + ... + 116587.

It is an arithmetic number, because the mean of its divisors is an integer number (1049139).

Almost surely, 2^3963397 is an apocalyptic number.

It is an amenable number.

3963397 is a deficient number, since it is larger than the sum of its proper divisors (233159).

3963397 is a wasteful number, since it uses less digits than its factorization.

3963397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233158.

The product of its digits is 91854, while the sum is 40.

The square root of 3963397 is about 1990.8282196111. The cubic root of 3963397 is about 158.2544237146.

It can be divided in two parts, 39 and 63397, that added together give a palindrome (63436).

The spelling of 3963397 in words is "three million, nine hundred sixty-three thousand, three hundred ninety-seven".