9905448 has 48 divisors (see below), whose sum is σ = 28810080. Its totient is φ = 2829792.

The previous prime is 9905447. The next prime is 9905453. The reversal of 9905448 is 8445099.

It is not an unprimeable number, because it can be changed into a prime (9905447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3036 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (600210).

Almost surely, 2^9905448 is an apocalyptic number.

9905448 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9905448 is an abundant number, since it is smaller than the sum of its proper divisors (18904632).

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

9905448 is a wasteful number, since it uses less digits than its factorization.

9905448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446 (or 8435 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 9905448 is about 3147.2921694689. The cubic root of 9905448 is about 214.7622972364.

The spelling of 9905448 in words is "nine million, nine hundred five thousand, four hundred forty-eight".