9509994 has 128 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 2566080.

The previous prime is 9509993. The next prime is 9510001. The reversal of 9509994 is 4999059.

It is a happy number.

It is a super-4 number, since 4×9509994⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9509993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306759 + ... + 306789.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 2^9509994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9509994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400).

9509994 is an abundant number, since it is smaller than the sum of its proper divisors (16294806).

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

9509994 is a wasteful number, since it uses less digits than its factorization.

9509994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 9509994 is about 3083.8278162050. The cubic root of 9509994 is about 211.8654212914.

The spelling of 9509994 in words is "nine million, five hundred nine thousand, nine hundred ninety-four".