9838121 has 8 divisors (see below), whose sum is σ = 10450944. Its totient is φ = 9229120.

The previous prime is 9838117. The next prime is 9838123. The reversal of 9838121 is 1218389.

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 9838121 - 2² = 9838117 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9838123) 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 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (1306368).

Almost surely, 2^9838121 is an apocalyptic number.

It is an amenable number.

9838121 is a deficient number, since it is larger than the sum of its proper divisors (612823).

9838121 is a wasteful number, since it uses less digits than its factorization.

9838121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its digits is 3456, while the sum is 32.

The square root of 9838121 is about 3136.5779123114. The cubic root of 9838121 is about 214.2746132450.

The spelling of 9838121 in words is "nine million, eight hundred thirty-eight thousand, one hundred twenty-one".