9394640 has 40 divisors (see below), whose sum is σ = 22358688. Its totient is φ = 3669120.

The previous prime is 9394631. The next prime is 9394657. The reversal of 9394640 is 464939.

It is a happy number.

9394640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 9394640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075 + ... + 4805.

Almost surely, 2^9394640 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 9394640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11179344).

9394640 is an abundant number, since it is smaller than the sum of its proper divisors (12964048).

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

9394640 is a wasteful number, since it uses less digits than its factorization.

9394640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 9394640 is about 3065.0676990892. The cubic root of 9394640 is about 211.0053082228.

The spelling of 9394640 in words is "nine million, three hundred ninety-four thousand, six hundred forty".