3963249 has 20 divisors (see below), whose sum is σ = 5986596. Its totient is φ = 2612736.

The previous prime is 3963241. The next prime is 3963263. The reversal of 3963249 is 9423693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 3744225 = 468^2 + 1935^2 .

It is not a de Polignac number, because 3963249 - 2³ = 3963241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3963241) 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 19 ways as a sum of consecutive naturals, for example, 8937 + ... + 9369.

Almost surely, 2^3963249 is an apocalyptic number.

It is an amenable number.

3963249 is a deficient number, since it is larger than the sum of its proper divisors (2023347).

3963249 is a wasteful number, since it uses less digits than its factorization.

3963249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 549 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3963249 is about 1990.7910488045. The cubic root of 3963249 is about 158.2524538601.

The spelling of 3963249 in words is "three million, nine hundred sixty-three thousand, two hundred forty-nine".