992128 has 32 divisors (see below), whose sum is σ = 2068560. Its totient is φ = 473088.

The previous prime is 992113. The next prime is 992129. The reversal of 992128 is 821299.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 992128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992129) by changing a digit.

992128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776 + ... + 3112.

2⁹⁹²¹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034280).

992128 is an abundant number, since it is smaller than the sum of its proper divisors (1076432).

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

992128 is a wasteful number, since it uses less digits than its factorization.

992128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 992128 is about 996.0562233127. The cubic root of 992128 is about 99.7369084353.

The spelling of 992128 in words is "nine hundred ninety-two thousand, one hundred twenty-eight".