3928044 has 12 divisors (see below), whose sum is σ = 9165464. Its totient is φ = 1309344.

The previous prime is 3928039. The next prime is 3928049. The reversal of 3928044 is 4408293.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3928039) and next prime (3928049).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3¹¹ + 9⁶ + 2¹³ + 8⁷ + 0 + 4⁸ + 4¹⁰ .

It is not an unprimeable number, because it can be changed into a prime (3928049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163657 + ... + 163680.

Almost surely, 2^3928044 is an apocalyptic number.

It is an amenable number.

3928044 is an abundant number, since it is smaller than the sum of its proper divisors (5237420).

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

3928044 is a wasteful number, since it uses less digits than its factorization.

3928044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327344 (or 327342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3928044 is about 1981.9293630198. The cubic root of 3928044 is about 157.7824812164.

Subtracting 3928044 from its reverse (4408293), we obtain a square (480249 = 693²).

The spelling of 3928044 in words is "three million, nine hundred twenty-eight thousand, forty-four".