999244192 has 48 divisors (see below), whose sum is σ = 2010500352. Its totient is φ = 488700160.

The previous prime is 999244171. The next prime is 999244199. The reversal of 999244192 is 291442999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (999244199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730293 + ... + 731659.

It is an arithmetic number, because the mean of its divisors is an integer number (41885424).

Almost surely, 2^999244192 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 999244192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005250176).

999244192 is an abundant number, since it is smaller than the sum of its proper divisors (1011256160).

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

999244192 is a wasteful number, since it uses less digits than its factorization.

999244192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1853 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 999244192 is about 31610.8239690142. The cubic root of 999244192 is about 999.7480005016.

The spelling of 999244192 in words is "nine hundred ninety-nine million, two hundred forty-four thousand, one hundred ninety-two".