3856447696 has 10 divisors (see below), whose sum is σ = 7471867442. Its totient is φ = 1928223840.

The previous prime is 3856447691. The next prime is 3856447703. The reversal of 3856447696 is 6967446583.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2607532096 + 1248915600 = 51064^2 + 35340^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3856447696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856447691) 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, 120513975 + ... + 120514006.

Almost surely, 2^3856447696 is an apocalyptic number.

It is an amenable number.

3856447696 is a deficient number, since it is larger than the sum of its proper divisors (3615419746).

3856447696 is a wasteful number, since it uses less digits than its factorization.

3856447696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241027989 (or 241027983 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The square root of 3856447696 is about 62100.3035097253. The cubic root of 3856447696 is about 1568.1796549843.

The spelling of 3856447696 in words is "three billion, eight hundred fifty-six million, four hundred forty-seven thousand, six hundred ninety-six".