100044928 has 16 divisors (see below), whose sum is σ = 199308510. Its totient is φ = 50022400.

The previous prime is 100044913. The next prime is 100044947. The reversal of 100044928 is 829440001.

It can be written as a sum of positive squares in only one way, i.e., 95413824 + 4631104 = 9768^2 + 2152^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 100044896 and 100044905.

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 as a sum of consecutive naturals, namely, 390673 + ... + 390928.

Almost surely, 2^100044928 is an apocalyptic number.

It is an amenable number.

100044928 is a deficient number, since it is larger than the sum of its proper divisors (99263582).

100044928 is an frugal number, since it uses more digits than its factorization.

100044928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781615 (or 781603 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 100044928 is about 10002.2461477410. The cubic root of 100044928 is about 464.2283853881.

Adding to 100044928 its reverse (829440001), we get a palindrome (929484929).

The spelling of 100044928 in words is "one hundred million, forty-four thousand, nine hundred twenty-eight".