9898834 has 16 divisors (see below), whose sum is σ = 16274016. Its totient is φ = 4478400.

The previous prime is 9898807. The next prime is 9898841. The reversal of 9898834 is 4388989.

It is a happy number.

It is an unprimeable number.

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, 4369 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (1017126).

Almost surely, 2^9898834 is an apocalyptic number.

9898834 is a deficient number, since it is larger than the sum of its proper divisors (6375182).

9898834 is a wasteful number, since it uses less digits than its factorization.

9898834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its digits is 497664, while the sum is 49.

The square root of 9898834 is about 3146.2412494912. The cubic root of 9898834 is about 214.7144867083.

The spelling of 9898834 in words is "nine million, eight hundred ninety-eight thousand, eight hundred thirty-four".