3871239522 has 32 divisors (see below), whose sum is σ = 8016166080. Its totient is φ = 1244873280.

The previous prime is 3871239517. The next prime is 3871239529. The reversal of 3871239522 is 2259321783.

It is not an unprimeable number, because it can be changed into a prime (3871239529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214572 + ... + 231912.

It is an arithmetic number, because the mean of its divisors is an integer number (250505190).

Almost surely, 2^3871239522 is an apocalyptic number.

3871239522 is an abundant number, since it is smaller than the sum of its proper divisors (4144926558).

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

3871239522 is a wasteful number, since it uses less digits than its factorization.

3871239522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18658.

The product of its digits is 181440, while the sum is 42.

The square root of 3871239522 is about 62219.2857721784. The cubic root of 3871239522 is about 1570.1820717347.

The spelling of 3871239522 in words is "three billion, eight hundred seventy-one million, two hundred thirty-nine thousand, five hundred twenty-two".