9898678 has 8 divisors (see below), whose sum is σ = 15057360. Its totient is φ = 4879560.

The previous prime is 9898673. The next prime is 9898697. The reversal of 9898678 is 8768989.

9898678 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.

It is a super-2 number, since 2×9898678² = 195967652295368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898673) 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, 34713 + ... + 34996.

It is an arithmetic number, because the mean of its divisors is an integer number (1882170).

Almost surely, 2^9898678 is an apocalyptic number.

9898678 is a deficient number, since it is larger than the sum of its proper divisors (5158682).

9898678 is a wasteful number, since it uses less digits than its factorization.

9898678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69782.

The product of its digits is 1741824, while the sum is 55.

The square root of 9898678 is about 3146.2164579062. The cubic root of 9898678 is about 214.7133587762.

The spelling of 9898678 in words is "nine million, eight hundred ninety-eight thousand, six hundred seventy-eight".