988438828 has 24 divisors (see below), whose sum is σ = 1873136720. Its totient is φ = 453677760.

The previous prime is 988438799. The next prime is 988438897. The reversal of 988438828 is 828834889.

988438828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×988438828² = 1954022633396027168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43098 + ... + 61921.

Almost surely, 2^988438828 is an apocalyptic number.

It is an amenable number.

988438828 is a deficient number, since it is larger than the sum of its proper divisors (884697892).

988438828 is a wasteful number, since it uses less digits than its factorization.

988438828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105217 (or 105215 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 58.

The square root of 988438828 is about 31439.4470053148. The cubic root of 988438828 is about 996.1313286825.

The spelling of 988438828 in words is "nine hundred eighty-eight million, four hundred thirty-eight thousand, eight hundred twenty-eight".