998524500 has 192 divisors, whose sum is σ = 3023564544. Its totient is φ = 255897600.

The previous prime is 998524493. The next prime is 998524511. The reversal of 998524500 is 5425899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7288432 + ... + 7288568.

It is an arithmetic number, because the mean of its divisors is an integer number (15747732).

Almost surely, 2^998524500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998524500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511782272).

998524500 is an abundant number, since it is smaller than the sum of its proper divisors (2025040044).

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

998524500 is a wasteful number, since it uses less digits than its factorization.

998524500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 998524500 is about 31599.4382861468. The cubic root of 998524500 is about 999.5079245682.

The spelling of 998524500 in words is "nine hundred ninety-eight million, five hundred twenty-four thousand, five hundred".