100439448 has 16 divisors (see below), whose sum is σ = 251098680. Its totient is φ = 33479808.

The previous prime is 100439447. The next prime is 100439461. The reversal of 100439448 is 844934001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100439447) 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, 2092465 + ... + 2092512.

Almost surely, 2^100439448 is an apocalyptic number.

It is an amenable number.

100439448 is an abundant number, since it is smaller than the sum of its proper divisors (150659232).

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

100439448 is a wasteful number, since it uses less digits than its factorization.

100439448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184986 (or 4184982 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 100439448 is about 10021.9483135766. The cubic root of 100439448 is about 464.8378021419.

It can be divided in two parts, 10043 and 9448, that added together give a palindrome (19491).

The spelling of 100439448 in words is "one hundred million, four hundred thirty-nine thousand, four hundred forty-eight".