999456112 has 40 divisors (see below), whose sum is σ = 2054667600. Its totient is φ = 469343232.

The previous prime is 999456103. The next prime is 999456167. The reversal of 999456112 is 211654999.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134839 + ... + 142057.

It is an arithmetic number, because the mean of its divisors is an integer number (51366690).

Almost surely, 2^999456112 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 999456112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027333800).

999456112 is an abundant number, since it is smaller than the sum of its proper divisors (1055211488).

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

999456112 is a wasteful number, since it uses less digits than its factorization.

999456112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753 (or 7747 counting only the distinct ones).

The product of its digits is 174960, while the sum is 46.

The square root of 999456112 is about 31614.1758076974. The cubic root of 999456112 is about 999.8186711218.

The spelling of 999456112 in words is "nine hundred ninety-nine million, four hundred fifty-six thousand, one hundred twelve".