9409404 has 12 divisors (see below), whose sum is σ = 21955304. Its totient is φ = 3136464.

The previous prime is 9409403. The next prime is 9409409. The reversal of 9409404 is 4049049.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9409403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392047 + ... + 392070.

Almost surely, 2^9409404 is an apocalyptic number.

It is an amenable number.

9409404 is an abundant number, since it is smaller than the sum of its proper divisors (12545900).

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

9409404 is a wasteful number, since it uses less digits than its factorization.

9409404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784124 (or 784122 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9409404 is about 3067.4751832737. The cubic root of 9409404 is about 211.1157844046.

The spelling of 9409404 in words is "nine million, four hundred nine thousand, four hundred four".