1938432832 has 28 divisors (see below), whose sum is σ = 4396089760. Its totient is φ = 830756736.

The previous prime is 1938432827. The next prime is 1938432857. The reversal of 1938432832 is 2382348391.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162982 + ... + 2163877.

Almost surely, 2^1938432832 is an apocalyptic number.

It is an amenable number.

1938432832 is an abundant number, since it is smaller than the sum of its proper divisors (2457656928).

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

1938432832 is an equidigital number, since it uses as much as digits as its factorization.

1938432832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326878 (or 4326868 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 1938432832 is about 44027.6371385065. The cubic root of 1938432832 is about 1246.8577786011.

The spelling of 1938432832 in words is "one billion, nine hundred thirty-eight million, four hundred thirty-two thousand, eight hundred thirty-two".