988521044 has 12 divisors (see below), whose sum is σ = 1977042144. Its totient is φ = 423651864.

The previous prime is 988521041. The next prime is 988521077. The reversal of 988521044 is 440125889.

988521044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 988520992 and 988521010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988521041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17652134 + ... + 17652189.

It is an arithmetic number, because the mean of its divisors is an integer number (164753512).

Almost surely, 2^988521044 is an apocalyptic number.

It is an amenable number.

988521044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

988521044 is a wasteful number, since it uses less digits than its factorization.

988521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35304334 (or 35304332 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 988521044 is about 31440.7545074860. The cubic root of 988521044 is about 996.1589465315.

The spelling of 988521044 in words is "nine hundred eighty-eight million, five hundred twenty-one thousand, forty-four".