9009406 has 16 divisors (see below), whose sum is σ = 15943680. Its totient is φ = 3736440.

The previous prime is 9009391. The next prime is 9009409. The reversal of 9009406 is 6049009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9946 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (996480).

Almost surely, 2^9009406 is an apocalyptic number.

9009406 is a deficient number, since it is larger than the sum of its proper divisors (6934274).

9009406 is a wasteful number, since it uses less digits than its factorization.

9009406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20799.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9009406 is about 3001.5672572841. The cubic root of 9009406 is about 208.0808210327.

The spelling of 9009406 in words is "nine million, nine thousand, four hundred six".