988445816 has 48 divisors (see below), whose sum is σ = 1997872200. Its totient is φ = 457192512.

The previous prime is 988445791. The next prime is 988445851. The reversal of 988445816 is 618544889.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279290 + ... + 282806.

Almost surely, 2^988445816 is an apocalyptic number.

It is an amenable number.

988445816 is an abundant number, since it is smaller than the sum of its proper divisors (1009426384).

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

988445816 is a wasteful number, since it uses less digits than its factorization.

988445816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628 (or 3581 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 988445816 is about 31439.5581393887. The cubic root of 988445816 is about 996.1336761383.

The spelling of 988445816 in words is "nine hundred eighty-eight million, four hundred forty-five thousand, eight hundred sixteen".