992556 has 36 divisors (see below), whose sum is σ = 2548000. Its totient is φ = 325728.

The previous prime is 992549. The next prime is 992561. The reversal of 992556 is 655299.

992556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 992556.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 992556.

It is an unprimeable number.

992556 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 11 ways as a sum of consecutive naturals, for example, 2670 + ... + 3018.

2⁹⁹²⁵⁵⁶ 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 992556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274000).

992556 is an abundant number, since it is smaller than the sum of its proper divisors (1555444).

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

992556 is a wasteful number, since it uses less digits than its factorization.

992556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 433 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 992556 is about 996.2710474565. The cubic root of 992556 is about 99.7512484062.

Subtracting from 992556 its product of digits (24300), we obtain a square (968256 = 984²).

The spelling of 992556 in words is "nine hundred ninety-two thousand, five hundred fifty-six".