988011928 has 16 divisors (see below), whose sum is σ = 1856655000. Its totient is φ = 492903936.

The previous prime is 988011923. The next prime is 988011961. The reversal of 988011928 is 829110889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988011923) 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, 133938 + ... + 141121.

Almost surely, 2^988011928 is an apocalyptic number.

It is an amenable number.

988011928 is a deficient number, since it is larger than the sum of its proper divisors (868643072).

988011928 is a wasteful number, since it uses less digits than its factorization.

988011928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275514 (or 275510 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 46.

The square root of 988011928 is about 31432.6570305471. The cubic root of 988011928 is about 995.9879005858.

The spelling of 988011928 in words is "nine hundred eighty-eight million, eleven thousand, nine hundred twenty-eight".