3928938025 has 24 divisors (see below), whose sum is σ = 4911185664. Its totient is φ = 3117878400.

The previous prime is 3928938011. The next prime is 3928938043. The reversal of 3928938025 is 5208398293.

3928938025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3928938025 - 2⁷ = 3928937897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3928938025.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3802909 + ... + 3803941.

It is an arithmetic number, because the mean of its divisors is an integer number (204632736).

Almost surely, 2^3928938025 is an apocalyptic number.

It is an amenable number.

3928938025 is a deficient number, since it is larger than the sum of its proper divisors (982247639).

3928938025 is a wasteful number, since it uses less digits than its factorization.

3928938025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 3928938025 is about 62681.2414124034. The cubic root of 3928938025 is about 1577.9445076849.

The spelling of 3928938025 in words is "three billion, nine hundred twenty-eight million, nine hundred thirty-eight thousand, twenty-five".