3956449 has 4 divisors (see below), whose sum is σ = 4521664. Its totient is φ = 3391236.

The previous prime is 3956429. The next prime is 3956453. The reversal of 3956449 is 9446593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3956449 - 2¹⁵ = 3923681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3956419) 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 3 ways as a sum of consecutive naturals, for example, 282597 + ... + 282610.

It is an arithmetic number, because the mean of its divisors is an integer number (1130416).

Almost surely, 2^3956449 is an apocalyptic number.

It is an amenable number.

3956449 is a deficient number, since it is larger than the sum of its proper divisors (565215).

3956449 is an equidigital number, since it uses as much as digits as its factorization.

3956449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565214.

The product of its digits is 116640, while the sum is 40.

The square root of 3956449 is about 1989.0824517852. The cubic root of 3956449 is about 158.1618940923.

The spelling of 3956449 in words is "three million, nine hundred fifty-six thousand, four hundred forty-nine".