998275620 has 96 divisors (see below), whose sum is σ = 2867477760. Its totient is φ = 259409920.

The previous prime is 998275589. The next prime is 998275639. The reversal of 998275620 is 26572899.

It is a self number, because there is not a number n which added to its sum of digits gives 998275620.

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 31 ways as a sum of consecutive naturals, for example, 377824 + ... + 380456.

It is an arithmetic number, because the mean of its divisors is an integer number (29869560).

Almost surely, 2^998275620 is an apocalyptic number.

It is a pronic number, being equal to 31595×31596.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998275620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433738880).

998275620 is an abundant number, since it is smaller than the sum of its proper divisors (1869202140).

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

998275620 is a wasteful number, since it uses less digits than its factorization.

998275620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 998275620 is about 31595.4999960437. The cubic root of 998275620 is about 999.4248759624.

The spelling of 998275620 in words is "nine hundred ninety-eight million, two hundred seventy-five thousand, six hundred twenty".