3938841025 has 24 divisors (see below), whose sum is σ = 5636119424. Its totient is φ = 2674684800.

The previous prime is 3938840977. The next prime is 3938841041. The reversal of 3938841025 is 5201488393.

It is not a de Polignac number, because 3938841025 - 2⁷ = 3938840897 is a prime.

It is a Duffinian number.

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, 91236 + ... + 127285.

Almost surely, 2^3938841025 is an apocalyptic number.

3938841025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3938841025 is a deficient number, since it is larger than the sum of its proper divisors (1697278399).

3938841025 is a wasteful number, since it uses less digits than its factorization.

3938841025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218641 (or 218636 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 3938841025 is about 62760.1866233682. The cubic root of 3938841025 is about 1579.2691467094.

The spelling of 3938841025 in words is "three billion, nine hundred thirty-eight million, eight hundred forty-one thousand, twenty-five".