9998526 has 8 divisors (see below), whose sum is σ = 19997064. Its totient is φ = 3332840.

The previous prime is 9998479. The next prime is 9998539. The reversal of 9998526 is 6258999.

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

9998526 is an admirable number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 833205 + ... + 833216.

It is an arithmetic number, because the mean of its divisors is an integer number (2499633).

Almost surely, 2^9998526 is an apocalyptic number.

9998526 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.

9998526 is a wasteful number, since it uses less digits than its factorization.

9998526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666426.

The product of its digits is 349920, while the sum is 48.

The square root of 9998526 is about 3162.0445917159. The cubic root of 9998526 is about 215.4328830273.

The spelling of 9998526 in words is "nine million, nine hundred ninety-eight thousand, five hundred twenty-six".