988439100 has 72 divisors (see below), whose sum is σ = 3119883648. Its totient is φ = 239620800.

The previous prime is 988439069. The next prime is 988439107. The reversal of 988439100 is 1934889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988439107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146464 + ... + 153063.

Almost surely, 2^988439100 is an apocalyptic number.

It is an amenable number.

988439100 is an abundant number, since it is smaller than the sum of its proper divisors (2131444548).

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

988439100 is a wasteful number, since it uses less digits than its factorization.

988439100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299555 (or 299548 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 988439100 is about 31439.4513310904. The cubic root of 988439100 is about 996.1314200548.

It can be divided in two parts, 9884 and 39100, that added together give a palindrome (48984).

The spelling of 988439100 in words is "nine hundred eighty-eight million, four hundred thirty-nine thousand, one hundred".