9904726 has 8 divisors (see below), whose sum is σ = 15999984. Its totient is φ = 4571400.

The previous prime is 9904709. The next prime is 9904729. The reversal of 9904726 is 6274099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904729) 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 3 ways as a sum of consecutive naturals, for example, 190450 + ... + 190501.

It is an arithmetic number, because the mean of its divisors is an integer number (1999998).

Almost surely, 2^9904726 is an apocalyptic number.

9904726 is a deficient number, since it is larger than the sum of its proper divisors (6095258).

9904726 is a wasteful number, since it uses less digits than its factorization.

9904726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380966.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9904726 is about 3147.1774656031. The cubic root of 9904726 is about 214.7570791602.

The spelling of 9904726 in words is "nine million, nine hundred four thousand, seven hundred twenty-six".