3928130 has 16 divisors (see below), whose sum is σ = 7168824. Its totient is φ = 1549440.

The previous prime is 3928123. The next prime is 3928151. The reversal of 3928130 is 318293.

3928130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2961841 + 966289 = 1721^2 + 983^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3928130.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1961 + ... + 3420.

Almost surely, 2^3928130 is an apocalyptic number.

3928130 is a deficient number, since it is larger than the sum of its proper divisors (3240694).

3928130 is a wasteful number, since it uses less digits than its factorization.

3928130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3928130 is about 1981.9510589316. The cubic root of 3928130 is about 157.7836326965.

The spelling of 3928130 in words is "three million, nine hundred twenty-eight thousand, one hundred thirty".