3994028 has 12 divisors (see below), whose sum is σ = 7357560. Its totient is φ = 1891872.

The previous prime is 3994021. The next prime is 3994069. The reversal of 3994028 is 8204993.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3994021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26201 + ... + 26352.

It is an arithmetic number, because the mean of its divisors is an integer number (613130).

Almost surely, 2^3994028 is an apocalyptic number.

3994028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3994028 is a deficient number, since it is larger than the sum of its proper divisors (3363532).

3994028 is a wasteful number, since it uses less digits than its factorization.

3994028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52576 (or 52574 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3994028 is about 1998.5064423214. The cubic root of 3994028 is about 158.6610661897.

Subtracting from 3994028 its sum of digits (35), we obtain a palindrome (3993993).

The spelling of 3994028 in words is "three million, nine hundred ninety-four thousand, twenty-eight".