3908828 has 60 divisors (see below), whose sum is σ = 8940792. Its totient is φ = 1481760.

The previous prime is 3908771. The next prime is 3908831. The reversal of 3908828 is 8288093.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3908791 and 3908800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105626 + ... + 105662.

Almost surely, 2^3908828 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 3908828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4470396).

3908828 is an abundant number, since it is smaller than the sum of its proper divisors (5031964).

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

3908828 is a wasteful number, since it uses less digits than its factorization.

3908828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 3908828 is about 1977.0756181795. The cubic root of 3908828 is about 157.5247697668.

The spelling of 3908828 in words is "three million, nine hundred eight thousand, eight hundred twenty-eight".