988498364 has 72 divisors (see below), whose sum is σ = 2133839232. Its totient is φ = 398805120.

The previous prime is 988498363. The next prime is 988498417. The reversal of 988498364 is 463894889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988498363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222614 + ... + 227010.

It is an arithmetic number, because the mean of its divisors is an integer number (29636656).

Almost surely, 2^988498364 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 988498364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066919616).

988498364 is an abundant number, since it is smaller than the sum of its proper divisors (1145340868).

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

988498364 is a wasteful number, since it uses less digits than its factorization.

988498364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483 (or 4474 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 59.

The square root of 988498364 is about 31440.3938270499. The cubic root of 988498364 is about 996.1513280602.

The spelling of 988498364 in words is "nine hundred eighty-eight million, four hundred ninety-eight thousand, three hundred sixty-four".