100000944 has 60 divisors (see below), whose sum is σ = 283834512. Its totient is φ = 32860800.

The previous prime is 100000939. The next prime is 100000963. The reversal of 100000944 is 449000001.

It is a super-2 number, since 2×100000944² = 20000377601782272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5334 + ... + 15114.

Almost surely, 2^100000944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141917256).

100000944 is an abundant number, since it is smaller than the sum of its proper divisors (183833568).

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

100000944 is a wasteful number, since it uses less digits than its factorization.

100000944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9857 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100000944 is about 10000.0471998886. The cubic root of 100000944 is about 464.1603439100.

Adding to 100000944 its reverse (449000001), we get a palindrome (549000945).

The spelling of 100000944 in words is "one hundred million, nine hundred forty-four", and thus it is an aban number.