988159220 has 48 divisors (see below), whose sum is σ = 2188401600. Its totient is φ = 373766400.

The previous prime is 988159169. The next prime is 988159223. The reversal of 988159220 is 22951889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988159223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 233120 + ... + 237320.

It is an arithmetic number, because the mean of its divisors is an integer number (45591700).

Almost surely, 2^988159220 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 988159220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094200800).

988159220 is an abundant number, since it is smaller than the sum of its proper divisors (1200242380).

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

988159220 is a wasteful number, since it uses less digits than its factorization.

988159220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848 (or 4846 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 988159220 is about 31434.9999204708. Note that the first 4 decimals coincide. The cubic root of 988159220 is about 996.0373918103.

The spelling of 988159220 in words is "nine hundred eighty-eight million, one hundred fifty-nine thousand, two hundred twenty".