3928073 has 4 divisors (see below), whose sum is σ = 3934020. Its totient is φ = 3922128.

The previous prime is 3928069. The next prime is 3928091. The reversal of 3928073 is 3708293.

3928073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 1149184 = 1667^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 3928073 - 2² = 3928069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3928013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (983505).

Almost surely, 2^3928073 is an apocalyptic number.

It is an amenable number.

3928073 is a deficient number, since it is larger than the sum of its proper divisors (5947).

3928073 is an equidigital number, since it uses as much as digits as its factorization.

3928073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3928073 is about 1981.9366791096. The cubic root of 3928073 is about 157.7828695081.

The spelling of 3928073 in words is "three million, nine hundred twenty-eight thousand, seventy-three".