100444412 has 12 divisors (see below), whose sum is σ = 185029320. Its totient is φ = 47578896.

The previous prime is 100444411. The next prime is 100444439. The reversal of 100444412 is 214444001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100444411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660743 + ... + 660894.

It is an arithmetic number, because the mean of its divisors is an integer number (15419110).

Almost surely, 2^100444412 is an apocalyptic number.

It is an amenable number.

100444412 is a deficient number, since it is larger than the sum of its proper divisors (84584908).

100444412 is a wasteful number, since it uses less digits than its factorization.

100444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321660 (or 1321658 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 100444412 is about 10022.1959669526. The cubic root of 100444412 is about 464.8454598796.

Adding to 100444412 its reverse (214444001), we get a palindrome (314888413).

The spelling of 100444412 in words is "one hundred million, four hundred forty-four thousand, four hundred twelve".