3905056 has 12 divisors (see below), whose sum is σ = 7688142. Its totient is φ = 1952512.

The previous prime is 3905023. The next prime is 3905059. The reversal of 3905056 is 6505093.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2944656 + 960400 = 1716^2 + 980^2 .

It is not an unprimeable number, because it can be changed into a prime (3905059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60985 + ... + 61048.

Almost surely, 2^3905056 is an apocalyptic number.

It is an amenable number.

3905056 is a deficient number, since it is larger than the sum of its proper divisors (3783086).

3905056 is a wasteful number, since it uses less digits than its factorization.

3905056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122043 (or 122035 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 3905056 is about 1976.1214537573. The cubic root of 3905056 is about 157.4740832472.

The spelling of 3905056 in words is "three million, nine hundred five thousand, fifty-six".