3928208 has 10 divisors (see below), whose sum is σ = 7610934. Its totient is φ = 1964096.

The previous prime is 3928189. The next prime is 3928229. The reversal of 3928208 is 8028293.

It is a happy number.

3928208 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., 3268864 + 659344 = 1808^2 + 812^2 .

It is an unprimeable number.

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, 122741 + ... + 122772.

Almost surely, 2^3928208 is an apocalyptic number.

It is an amenable number.

3928208 is a deficient number, since it is larger than the sum of its proper divisors (3682726).

3928208 is a wasteful number, since it uses less digits than its factorization.

3928208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245521 (or 245515 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3928208 is about 1981.9707364136. The cubic root of 3928208 is about 157.7846770477.

The spelling of 3928208 in words is "three million, nine hundred twenty-eight thousand, two hundred eight".