3851521796 has 12 divisors (see below), whose sum is σ = 6904557660. Its totient is φ = 1878791040.

The previous prime is 3851521789. The next prime is 3851521799. The reversal of 3851521796 is 6971251583.

It can be written as a sum of positive squares in 2 ways, for example, as 1820216896 + 2031304900 = 42664^2 + 45070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3851521796.

It is not an unprimeable number, because it can be changed into a prime (3851521799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11742281 + ... + 11742608.

It is an arithmetic number, because the mean of its divisors is an integer number (575379805).

Almost surely, 2^3851521796 is an apocalyptic number.

It is an amenable number.

3851521796 is a deficient number, since it is larger than the sum of its proper divisors (3053035864).

3851521796 is a wasteful number, since it uses less digits than its factorization.

3851521796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23484934 (or 23484932 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 3851521796 is about 62060.6300000250. The cubic root of 3851521796 is about 1567.5116838301.

The spelling of 3851521796 in words is "three billion, eight hundred fifty-one million, five hundred twenty-one thousand, seven hundred ninety-six".