1838432328 has 32 divisors (see below), whose sum is σ = 4626936000. Its totient is φ = 608696768.

The previous prime is 1838432303. The next prime is 1838432371. The reversal of 1838432328 is 8232348381.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1838432328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253476 + ... + 260627.

It is an arithmetic number, because the mean of its divisors is an integer number (144591750).

Almost surely, 2^1838432328 is an apocalyptic number.

It is an amenable number.

1838432328 is an abundant number, since it is smaller than the sum of its proper divisors (2788503672).

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

1838432328 is a wasteful number, since it uses less digits than its factorization.

1838432328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514261 (or 514257 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 1838432328 is about 42876.9440142368. The cubic root of 1838432328 is about 1225.0370285628.

The spelling of 1838432328 in words is "one billion, eight hundred thirty-eight million, four hundred thirty-two thousand, three hundred twenty-eight".