3851646376 has 8 divisors (see below), whose sum is σ = 7221836970. Its totient is φ = 1925823184.

The previous prime is 3851646371. The next prime is 3851646377. The reversal of 3851646376 is 6736461583.

It can be written as a sum of positive squares in only one way, i.e., 3620910276 + 230736100 = 60174^2 + 15190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3851646371) 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 as a sum of consecutive naturals, namely, 240727891 + ... + 240727906.

Almost surely, 2^3851646376 is an apocalyptic number.

It is an amenable number.

3851646376 is a deficient number, since it is larger than the sum of its proper divisors (3370190594).

3851646376 is a wasteful number, since it uses less digits than its factorization.

3851646376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481455803 (or 481455799 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 3851646376 is about 62061.6336878107. The cubic root of 3851646376 is about 1567.5285843792.

The spelling of 3851646376 in words is "three billion, eight hundred fifty-one million, six hundred forty-six thousand, three hundred seventy-six".