3928008 has 64 divisors (see below), whose sum is σ = 11381760. Its totient is φ = 1106496.

The previous prime is 3927997. The next prime is 3928013. The reversal of 3928008 is 8008293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17191 + ... + 17417.

It is an arithmetic number, because the mean of its divisors is an integer number (177840).

Almost surely, 2^3928008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3928008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5690880).

3928008 is an abundant number, since it is smaller than the sum of its proper divisors (7453752).

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

3928008 is a wasteful number, since it uses less digits than its factorization.

3928008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3928008 is about 1981.9202809397. The cubic root of 3928008 is about 157.7819991964.

The spelling of 3928008 in words is "three million, nine hundred twenty-eight thousand, eight".