9509448 has 64 divisors (see below), whose sum is σ = 26510400. Its totient is φ = 2822400.

The previous prime is 9509441. The next prime is 9509449. The reversal of 9509448 is 8449059.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (9509441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8523 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (414225).

Almost surely, 2^9509448 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 9509448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13255200).

9509448 is an abundant number, since it is smaller than the sum of its proper divisors (17000952).

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

9509448 is a wasteful number, since it uses less digits than its factorization.

9509448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1098 counting only the distinct ones).

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

The square root of 9509448 is about 3083.7392885910. The cubic root of 9509448 is about 211.8613665839.

The spelling of 9509448 in words is "nine million, five hundred nine thousand, four hundred forty-eight".