1038671728 has 10 divisors (see below), whose sum is σ = 2012426504. Its totient is φ = 519335856.

The previous prime is 1038671723. The next prime is 1038671731. The reversal of 1038671728 is 8271768301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038671723) 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 as a sum of consecutive naturals, namely, 32458476 + ... + 32458507.

Almost surely, 2^1038671728 is an apocalyptic number.

It is an amenable number.

1038671728 is a deficient number, since it is larger than the sum of its proper divisors (973754776).

1038671728 is an equidigital number, since it uses as much as digits as its factorization.

1038671728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64916991 (or 64916985 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1038671728 is about 32228.4304302893. The cubic root of 1038671728 is about 1012.7278895257.

The spelling of 1038671728 in words is "one billion, thirty-eight million, six hundred seventy-one thousand, seven hundred twenty-eight".