9449872 has 20 divisors (see below), whose sum is σ = 19105920. Its totient is φ = 4519328.

The previous prime is 9449857. The next prime is 9449879. The reversal of 9449872 is 2789449.

It is not an unprimeable number, because it can be changed into a prime (9449879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12472 + ... + 13207.

It is an arithmetic number, because the mean of its divisors is an integer number (955296).

Almost surely, 2^9449872 is an apocalyptic number.

9449872 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9449872 is an abundant number, since it is smaller than the sum of its proper divisors (9656048).

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

9449872 is a wasteful number, since it uses less digits than its factorization.

9449872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710 (or 25704 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 9449872 is about 3074.0644105158. The cubic root of 9449872 is about 211.4180074029.

It can be divided in two parts, 944 and 9872, that added together give a square (10816 = 104²).

The spelling of 9449872 in words is "nine million, four hundred forty-nine thousand, eight hundred seventy-two".