988289628 has 48 divisors (see below), whose sum is σ = 2443924224. Its totient is φ = 309763840.

The previous prime is 988289567. The next prime is 988289629. The reversal of 988289628 is 826982889.

988289628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988289629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363193 + ... + 365903.

It is an arithmetic number, because the mean of its divisors is an integer number (50915088).

Almost surely, 2^988289628 is an apocalyptic number.

It is an amenable number.

988289628 is an abundant number, since it is smaller than the sum of its proper divisors (1455634596).

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

988289628 is a wasteful number, since it uses less digits than its factorization.

988289628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4520 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 60.

The square root of 988289628 is about 31437.0741004948. The cubic root of 988289628 is about 996.0812057788.

The spelling of 988289628 in words is "nine hundred eighty-eight million, two hundred eighty-nine thousand, six hundred twenty-eight".