999043152 has 20 divisors (see below), whose sum is σ = 2580861600. Its totient is φ = 333014368.

The previous prime is 999043151. The next prime is 999043153. The reversal of 999043152 is 251340999.

It is an interprime number because it is at equal distance from previous prime (999043151) and next prime (999043153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999043151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10406652 + ... + 10406747.

It is an arithmetic number, because the mean of its divisors is an integer number (129043080).

Almost surely, 2^999043152 is an apocalyptic number.

It is an amenable number.

999043152 is an abundant number, since it is smaller than the sum of its proper divisors (1581818448).

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

999043152 is a wasteful number, since it uses less digits than its factorization.

999043152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813410 (or 20813404 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 999043152 is about 31607.6438856173. The cubic root of 999043152 is about 999.6809488839.

The spelling of 999043152 in words is "nine hundred ninety-nine million, forty-three thousand, one hundred fifty-two".