988557696 has 320 divisors, whose sum is σ = 3438974880. Its totient is φ = 276037632.

The previous prime is 988557679. The next prime is 988557709. The reversal of 988557696 is 696755889.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3846400 + ... + 3846656.

Almost surely, 2^988557696 is an apocalyptic number.

988557696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988557696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719487440).

988557696 is an abundant number, since it is smaller than the sum of its proper divisors (2450417184).

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

988557696 is a wasteful number, since it uses less digits than its factorization.

988557696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 322 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The square root of 988557696 is about 31441.3373761359. The cubic root of 988557696 is about 996.1712581111.

The spelling of 988557696 in words is "nine hundred eighty-eight million, five hundred fifty-seven thousand, six hundred ninety-six".