998803260 has 432 divisors, whose sum is σ = 3931828992. Its totient is φ = 203212800.

The previous prime is 998803259. The next prime is 998803307. The reversal of 998803260 is 62308899.

998803260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3554320 + ... + 3554600.

It is an arithmetic number, because the mean of its divisors is an integer number (9101456).

Almost surely, 2^998803260 is an apocalyptic number.

998803260 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998803260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965914496).

998803260 is an abundant number, since it is smaller than the sum of its proper divisors (2933025732).

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

998803260 is a wasteful number, since it uses less digits than its factorization.

998803260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 998803260 is about 31603.8488162439. The cubic root of 998803260 is about 999.6009274289.

The spelling of 998803260 in words is "nine hundred ninety-eight million, eight hundred three thousand, two hundred sixty".