3851981352 has 32 divisors (see below), whose sum is σ = 10699948800. Its totient is φ = 1283993712.

The previous prime is 3851981339. The next prime is 3851981369. The reversal of 3851981352 is 2531891583.

3851981352 is a `hidden beast` number, since 3 + 8 + 519 + 81 + 3 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3851981298 and 3851981307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8916408 + ... + 8916839.

It is an arithmetic number, because the mean of its divisors is an integer number (334373400).

Almost surely, 2^3851981352 is an apocalyptic number.

It is an amenable number.

3851981352 is an abundant number, since it is smaller than the sum of its proper divisors (6847967448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3851981352 is a wasteful number, since it uses less digits than its factorization.

3851981352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833262 (or 17833252 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 3851981352 is about 62064.3323656994. The cubic root of 3851981352 is about 1567.5740254869.

The spelling of 3851981352 in words is "three billion, eight hundred fifty-one million, nine hundred eighty-one thousand, three hundred fifty-two".