9838490 has 8 divisors (see below), whose sum is σ = 17709300. Its totient is φ = 3935392.

The previous prime is 9838489. The next prime is 9838519. The reversal of 9838490 is 948389.

It can be written as a sum of positive squares in 2 ways, for example, as 9815689 + 22801 = 3133^2 + 151^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491915 + ... + 491934.

Almost surely, 2^9838490 is an apocalyptic number.

9838490 is a deficient number, since it is larger than the sum of its proper divisors (7870810).

9838490 is a wasteful number, since it uses less digits than its factorization.

9838490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983856.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 9838490 is about 3136.6367338281. The cubic root of 9838490 is about 214.2772921558.

The spelling of 9838490 in words is "nine million, eight hundred thirty-eight thousand, four hundred ninety".