992189044 has 144 divisors (see below), whose sum is σ = 2368336320. Its totient is φ = 358525440.

The previous prime is 992189021. The next prime is 992189057. The reversal of 992189044 is 440981299.

It is a junction number, because it is equal to n+sod(n) for n = 992188985 and 992189003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2170864 + ... + 2171320.

It is an arithmetic number, because the mean of its divisors is an integer number (16446780).

Almost surely, 2^992189044 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 992189044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184168160).

992189044 is an abundant number, since it is smaller than the sum of its proper divisors (1376147276).

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

992189044 is a wasteful number, since it uses less digits than its factorization.

992189044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 992189044 is about 31499.0324295842. The cubic root of 992189044 is about 997.3895394253.

It can be divided in two parts, 992 and 189044, that added together give a triangular number (190036 = T₆₁₆).

The spelling of 992189044 in words is "nine hundred ninety-two million, one hundred eighty-nine thousand, forty-four".