9855498 has 16 divisors (see below), whose sum is σ = 20192256. Its totient is φ = 3204960.

The previous prime is 9855497. The next prime is 9855533. The reversal of 9855498 is 8945589.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9855493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19786 + ... + 20277.

It is an arithmetic number, because the mean of its divisors is an integer number (1262016).

Almost surely, 2^9855498 is an apocalyptic number.

9855498 is an abundant number, since it is smaller than the sum of its proper divisors (10336758).

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

9855498 is a wasteful number, since it uses less digits than its factorization.

9855498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40109.

The product of its digits is 518400, while the sum is 48.

The square root of 9855498 is about 3139.3467473345. The cubic root of 9855498 is about 214.4006962599.

Subtracting from 9855498 its reverse (8945589), we obtain a palindrome (909909).

The spelling of 9855498 in words is "nine million, eight hundred fifty-five thousand, four hundred ninety-eight".