9404394 has 16 divisors (see below), whose sum is σ = 18867168. Its totient is φ = 3125072.

The previous prime is 9404393. The next prime is 9404399. The reversal of 9404394 is 4934049.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9404393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (1179198).

Almost surely, 2^9404394 is an apocalyptic number.

9404394 is an abundant number, since it is smaller than the sum of its proper divisors (9462774).

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

9404394 is a wasteful number, since it uses less digits than its factorization.

9404394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 9404394 is about 3066.6584420180. The cubic root of 9404394 is about 211.0783084973.

The spelling of 9404394 in words is "nine million, four hundred four thousand, three hundred ninety-four".