3643823876 has 48 divisors (see below), whose sum is σ = 8368604160. Its totient is φ = 1344949920.

The previous prime is 3643823861. The next prime is 3643823879. The reversal of 3643823876 is 6783283463.

It is not an unprimeable number, because it can be changed into a prime (3643823879) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 305480 + ... + 317183.

It is an arithmetic number, because the mean of its divisors is an integer number (174345920).

Almost surely, 2^3643823876 is an apocalyptic number.

It is an amenable number.

3643823876 is an abundant number, since it is smaller than the sum of its proper divisors (4724780284).

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

3643823876 is a wasteful number, since it uses less digits than its factorization.

3643823876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622704 (or 622702 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The square root of 3643823876 is about 60364.0942614068. The cubic root of 3643823876 is about 1538.8128079679.

The spelling of 3643823876 in words is "three billion, six hundred forty-three million, eight hundred twenty-three thousand, eight hundred seventy-six".