3994328 has 32 divisors (see below), whose sum is σ = 8148000. Its totient is φ = 1824768.

The previous prime is 3994279. The next prime is 3994357. The reversal of 3994328 is 8234993.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3994291 and 3994300.

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 7 ways as a sum of consecutive naturals, for example, 19973 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (254625).

Almost surely, 2^3994328 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 3994328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4074000).

3994328 is an abundant number, since it is smaller than the sum of its proper divisors (4153672).

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

3994328 is a wasteful number, since it uses less digits than its factorization.

3994328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 407 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 3994328 is about 1998.5814969623. The cubic root of 3994328 is about 158.6650385477.

The spelling of 3994328 in words is "three million, nine hundred ninety-four thousand, three hundred twenty-eight".