3982942385 has 8 divisors (see below), whose sum is σ = 4881223296. Its totient is φ = 3118558960.

The previous prime is 3982942349. The next prime is 3982942387. The reversal of 3982942385 is 5832492893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3982942385 - 2⁶ = 3982942321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3982942387) 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 7 ways as a sum of consecutive naturals, for example, 8474111 + ... + 8474580.

It is an arithmetic number, because the mean of its divisors is an integer number (610152912).

Almost surely, 2^3982942385 is an apocalyptic number.

It is an amenable number.

3982942385 is a deficient number, since it is larger than the sum of its proper divisors (898280911).

3982942385 is a wasteful number, since it uses less digits than its factorization.

3982942385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948743.

The product of its digits is 3732480, while the sum is 53.

The square root of 3982942385 is about 63110.5568427343. The cubic root of 3982942385 is about 1585.1413972249.

The spelling of 3982942385 in words is "three billion, nine hundred eighty-two million, nine hundred forty-two thousand, three hundred eighty-five".