988693916 has 48 divisors (see below), whose sum is σ = 2098414080. Its totient is φ = 398418240.

The previous prime is 988693879. The next prime is 988693933. The reversal of 988693916 is 619396889.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 24986 + ... + 51006.

It is an arithmetic number, because the mean of its divisors is an integer number (43716960).

Almost surely, 2^988693916 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 988693916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049207040).

988693916 is an abundant number, since it is smaller than the sum of its proper divisors (1109720164).

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

988693916 is a wasteful number, since it uses less digits than its factorization.

988693916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26114 (or 26112 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 59.

The square root of 988693916 is about 31443.5035579689. The cubic root of 988693916 is about 996.2170123841.

The spelling of 988693916 in words is "nine hundred eighty-eight million, six hundred ninety-three thousand, nine hundred sixteen".