9904407 has 16 divisors (see below), whose sum is σ = 13716480. Its totient is φ = 6350400.

The previous prime is 9904403. The next prime is 9904441. The reversal of 9904407 is 7044099.

It is not a de Polignac number, because 9904407 - 2² = 9904403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25944 + ... + 26322.

It is an arithmetic number, because the mean of its divisors is an integer number (857280).

Almost surely, 2^9904407 is an apocalyptic number.

9904407 is a deficient number, since it is larger than the sum of its proper divisors (3812073).

9904407 is a wasteful number, since it uses less digits than its factorization.

9904407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 9904407 is about 3147.1267848627. The cubic root of 9904407 is about 214.7547735859.

The spelling of 9904407 in words is "nine million, nine hundred four thousand, four hundred seven".