9890898 has 8 divisors (see below), whose sum is σ = 19781808. Its totient is φ = 3296964.

The previous prime is 9890873. The next prime is 9890899. The reversal of 9890898 is 8980989.

9890898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

9890898 is an admirable number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 9890898.

It is not an unprimeable number, because it can be changed into a prime (9890899) 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, 824236 + ... + 824247.

It is an arithmetic number, because the mean of its divisors is an integer number (2472726).

Almost surely, 2^9890898 is an apocalyptic number.

9890898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9890898 is a wasteful number, since it uses less digits than its factorization.

9890898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648488.

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 9890898 is about 3144.9798091562. The cubic root of 9890898 is about 214.6570917419.

Subtracting from 9890898 its reverse (8980989), we obtain a palindrome (909909).

The spelling of 9890898 in words is "nine million, eight hundred ninety thousand, eight hundred ninety-eight".