9904023 has 6 divisors (see below), whose sum is σ = 14305824. Its totient is φ = 6602676.

The previous prime is 9904019. The next prime is 9904079. The reversal of 9904023 is 3204099.

It is not a de Polignac number, because 9904023 - 2² = 9904019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550215 + ... + 550232.

It is an arithmetic number, because the mean of its divisors is an integer number (2384304).

Almost surely, 2^9904023 is an apocalyptic number.

9904023 is a deficient number, since it is larger than the sum of its proper divisors (4401801).

9904023 is a wasteful number, since it uses less digits than its factorization.

9904023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100453 (or 1100450 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9904023 is about 3147.0657762430. The cubic root of 9904023 is about 214.7519981582.

The spelling of 9904023 in words is "nine million, nine hundred four thousand, twenty-three".