9839898 has 12 divisors (see below), whose sum is σ = 21319818. Its totient is φ = 3279960.

The previous prime is 9839897. The next prime is 9839909. The reversal of 9839898 is 8989389.

It can be written as a sum of positive squares in only one way, i.e., 8105409 + 1734489 = 2847^2 + 1317^2 .

It is not an unprimeable number, because it can be changed into a prime (9839897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273313 + ... + 273348.

Almost surely, 2^9839898 is an apocalyptic number.

9839898 is an abundant number, since it is smaller than the sum of its proper divisors (11479920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9839898 is a wasteful number, since it uses less digits than its factorization.

9839898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546669 (or 546666 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 9839898 is about 3136.8611700233. The cubic root of 9839898 is about 214.2875135087.

The spelling of 9839898 in words is "nine million, eight hundred thirty-nine thousand, eight hundred ninety-eight".