9894909 has 8 divisors (see below), whose sum is σ = 13216032. Its totient is φ = 6585200.

The previous prime is 9894893. The next prime is 9894919. The reversal of 9894909 is 9094989.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9894909 - 2⁴ = 9894893 is a prime.

It is an alternating number because its digits alternate between odd and even.

9894909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894919) 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, 567 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (1652004).

Almost surely, 2^9894909 is an apocalyptic number.

It is an amenable number.

9894909 is a deficient number, since it is larger than the sum of its proper divisors (3321123).

9894909 is a wasteful number, since it uses less digits than its factorization.

9894909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 9894909 is about 3145.6174274695. The cubic root of 9894909 is about 214.6861040465.

The spelling of 9894909 in words is "nine million, eight hundred ninety-four thousand, nine hundred nine".