3906824 has 8 divisors (see below), whose sum is σ = 7325310. Its totient is φ = 1953408.

The previous prime is 3906811. The next prime is 3906827. The reversal of 3906824 is 4286093.

3906824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 1249924 = 1630^2 + 1118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3906827) 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 as a sum of consecutive naturals, namely, 244169 + ... + 244184.

Almost surely, 2^3906824 is an apocalyptic number.

It is an amenable number.

3906824 is a deficient number, since it is larger than the sum of its proper divisors (3418486).

3906824 is a wasteful number, since it uses less digits than its factorization.

3906824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488359 (or 488355 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3906824 is about 1976.5687440613. The cubic root of 3906824 is about 157.4978449357.

The spelling of 3906824 in words is "three million, nine hundred six thousand, eight hundred twenty-four".