988729144 has 32 divisors (see below), whose sum is σ = 2101554000. Its totient is φ = 432317952.

The previous prime is 988729141. The next prime is 988729153. The reversal of 988729144 is 441927889.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 988729091 and 988729100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988729141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 248209 + ... + 252160.

Almost surely, 2^988729144 is an apocalyptic number.

It is an amenable number.

988729144 is an abundant number, since it is smaller than the sum of its proper divisors (1112824856).

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

988729144 is a wasteful number, since it uses less digits than its factorization.

988729144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500407 (or 500403 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 988729144 is about 31444.0637322850. The cubic root of 988729144 is about 996.2288442617.

The spelling of 988729144 in words is "nine hundred eighty-eight million, seven hundred twenty-nine thousand, one hundred forty-four".