988090028 has 12 divisors (see below), whose sum is σ = 1804338480. Its totient is φ = 472564752.

The previous prime is 988090027. The next prime is 988090067. The reversal of 988090028 is 820090889.

It is not an unprimeable number, because it can be changed into a prime (988090027) 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, 5369963 + ... + 5370146.

It is an arithmetic number, because the mean of its divisors is an integer number (150361540).

Almost surely, 2^988090028 is an apocalyptic number.

It is an amenable number.

988090028 is a deficient number, since it is larger than the sum of its proper divisors (816248452).

988090028 is a wasteful number, since it uses less digits than its factorization.

988090028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10740136 (or 10740134 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 988090028 is about 31433.8993444975. The cubic root of 988090028 is about 996.0141433882.

The spelling of 988090028 in words is "nine hundred eighty-eight million, ninety thousand, twenty-eight".