100011944 has 16 divisors (see below), whose sum is σ = 187816020. Its totient is φ = 49927680.

The previous prime is 100011943. The next prime is 100011959. The reversal of 100011944 is 449110001.

It can be written as a sum of positive squares in 2 ways, for example, as 80102500 + 19909444 = 8950^2 + 4462^2 .

It is not an unprimeable number, because it can be changed into a prime (100011943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4169 + ... + 14744.

Almost surely, 2^100011944 is an apocalyptic number.

It is an amenable number.

100011944 is a deficient number, since it is larger than the sum of its proper divisors (87804076).

100011944 is a wasteful number, since it uses less digits than its factorization.

100011944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19580 (or 19576 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 100011944 is about 10000.5971821687. The cubic root of 100011944 is about 464.1773623379.

Adding to 100011944 its reverse (449110001), we get a palindrome (549121945).

The spelling of 100011944 in words is "one hundred million, eleven thousand, nine hundred forty-four".