3905712 has 40 divisors (see below), whose sum is σ = 11212080. Its totient is φ = 1301760.

The previous prime is 3905711. The next prime is 3905717. The reversal of 3905712 is 2175093.

3905712 is a `hidden beast` number, since 3 + 90 + 571 + 2 = 666.

3905712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3905711) 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 7 ways as a sum of consecutive naturals, for example, 4089 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (280302).

Almost surely, 2^3905712 is an apocalyptic number.

It is an amenable number.

3905712 is an abundant number, since it is smaller than the sum of its proper divisors (7306368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3905712 is a wasteful number, since it uses less digits than its factorization.

3905712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9058 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 3905712 is about 1976.2874284881. The cubic root of 3905712 is about 157.4829006380.

The spelling of 3905712 in words is "three million, nine hundred five thousand, seven hundred twelve".