988269980 has 48 divisors (see below), whose sum is σ = 2168570880. Its totient is φ = 377602368.

The previous prime is 988269979. The next prime is 988269991. The reversal of 988269980 is 89962889.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609611 + ... + 611229.

It is an arithmetic number, because the mean of its divisors is an integer number (45178560).

Almost surely, 2^988269980 is an apocalyptic number.

It is an amenable number.

988269980 is an abundant number, since it is smaller than the sum of its proper divisors (1180300900).

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

988269980 is a wasteful number, since it uses less digits than its factorization.

988269980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 59.

The square root of 988269980 is about 31436.7616016663. The cubic root of 988269980 is about 996.0746047674.

The spelling of 988269980 in words is "nine hundred eighty-eight million, two hundred sixty-nine thousand, nine hundred eighty".