3868523538 has 32 divisors (see below), whose sum is σ = 8884650240. Its totient is φ = 1110580560.

The previous prime is 3868523531. The next prime is 3868523599. The reversal of 3868523538 is 8353258683.

3868523538 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3868523531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541220 + ... + 1543727.

It is an arithmetic number, because the mean of its divisors is an integer number (277645320).

Almost surely, 2^3868523538 is an apocalyptic number.

3868523538 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3868523538 is an abundant number, since it is smaller than the sum of its proper divisors (5016126702).

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

3868523538 is a wasteful number, since it uses less digits than its factorization.

3868523538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084982.

The product of its digits is 4147200, while the sum is 51.

The square root of 3868523538 is about 62197.4560412241. The cubic root of 3868523538 is about 1569.8147830782.

The spelling of 3868523538 in words is "three billion, eight hundred sixty-eight million, five hundred twenty-three thousand, five hundred thirty-eight".