9838090 has 8 divisors (see below), whose sum is σ = 17708580. Its totient is φ = 3935232.

The previous prime is 9838033. The next prime is 9838097. The reversal of 9838090 is 908389.

It can be written as a sum of positive squares in 2 ways, for example, as 9566649 + 271441 = 3093^2 + 521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9838097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491895 + ... + 491914.

Almost surely, 2^9838090 is an apocalyptic number.

9838090 is a deficient number, since it is larger than the sum of its proper divisors (7870490).

9838090 is a wasteful number, since it uses less digits than its factorization.

9838090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983816.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9838090 is about 3136.5729706162. The cubic root of 9838090 is about 214.2743881844.

The spelling of 9838090 in words is "nine million, eight hundred thirty-eight thousand, ninety".