9904657 has 8 divisors (see below), whose sum is σ = 11596032. Its totient is φ = 8282400.

The previous prime is 9904649. The next prime is 9904667. The reversal of 9904657 is 7564099.

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

It is not a de Polignac number, because 9904657 - 2³ = 9904649 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9904667) 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, 16969 + ... + 17542.

It is an arithmetic number, because the mean of its divisors is an integer number (1449504).

Almost surely, 2^9904657 is an apocalyptic number.

It is an amenable number.

9904657 is a deficient number, since it is larger than the sum of its proper divisors (1691375).

9904657 is a wasteful number, since it uses less digits than its factorization.

9904657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34559.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 9904657 is about 3147.1665033805. The cubic root of 9904657 is about 214.7565804665.

The spelling of 9904657 in words is "nine million, nine hundred four thousand, six hundred fifty-seven".