998730162 has 80 divisors (see below), whose sum is σ = 2343458304. Its totient is φ = 317520000.

The previous prime is 998730133. The next prime is 998730181. The reversal of 998730162 is 261037899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 355162 + ... + 357962.

Almost surely, 2^998730162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998730162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171729152).

998730162 is an abundant number, since it is smaller than the sum of its proper divisors (1344728142).

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

998730162 is a wasteful number, since it uses less digits than its factorization.

998730162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2908 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 998730162 is about 31602.6923220159. The cubic root of 998730162 is about 999.5765413748.

The spelling of 998730162 in words is "nine hundred ninety-eight million, seven hundred thirty thousand, one hundred sixty-two".