3871698432 has 80 divisors (see below), whose sum is σ = 11787971712. Its totient is φ = 1106196480.

The previous prime is 3871698349. The next prime is 3871698451. The reversal of 3871698432 is 2348961783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169294 + ... + 190797.

Almost surely, 2^3871698432 is an apocalyptic number.

3871698432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3871698432 is an abundant number, since it is smaller than the sum of its proper divisors (7916273280).

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

3871698432 is an equidigital number, since it uses as much as digits as its factorization.

3871698432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360119 (or 360103 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 3871698432 is about 62222.9735065755. The cubic root of 3871698432 is about 1570.2441142045.

The spelling of 3871698432 in words is "three billion, eight hundred seventy-one million, six hundred ninety-eight thousand, four hundred thirty-two".