9789394 has 4 divisors (see below), whose sum is σ = 14684094. Its totient is φ = 4894696.

The previous prime is 9789391. The next prime is 9789401. The reversal of 9789394 is 4939879.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8779369 + 1010025 = 2963^2 + 1005^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9789391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2447347 + ... + 2447350.

Almost surely, 2^9789394 is an apocalyptic number.

9789394 is a deficient number, since it is larger than the sum of its proper divisors (4894700).

9789394 is a wasteful number, since it uses less digits than its factorization.

9789394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894699.

The product of its digits is 489888, while the sum is 49.

The square root of 9789394 is about 3128.8007287138. The cubic root of 9789394 is about 213.9202690140.

The spelling of 9789394 in words is "nine million, seven hundred eighty-nine thousand, three hundred ninety-four".