3930256057 has 12 divisors (see below), whose sum is σ = 4863817920. Its totient is φ = 3109652208.

The previous prime is 3930256019. The next prime is 3930256073. The reversal of 3930256057 is 7506520393.

It is not a de Polignac number, because 3930256057 - 2⁷ = 3930255929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3930256007) 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 11 ways as a sum of consecutive naturals, for example, 1659957 + ... + 1662322.

It is an arithmetic number, because the mean of its divisors is an integer number (405318160).

Almost surely, 2^3930256057 is an apocalyptic number.

It is an amenable number.

3930256057 is a deficient number, since it is larger than the sum of its proper divisors (933561863).

3930256057 is a wasteful number, since it uses less digits than its factorization.

3930256057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322312 (or 3322299 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 40.

The square root of 3930256057 is about 62691.7542983126. The cubic root of 3930256057 is about 1578.1209377888.

It can be divided in two parts, 39302 and 56057, that added together give a palindrome (95359).

The spelling of 3930256057 in words is "three billion, nine hundred thirty million, two hundred fifty-six thousand, fifty-seven".