999838632 has 32 divisors (see below), whose sum is σ = 2691874080. Its totient is φ = 307642560.

The previous prime is 999838607. The next prime is 999838633. The reversal of 999838632 is 236838999.

999838632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (999838633) 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, 1601994 + ... + 1602617.

It is an arithmetic number, because the mean of its divisors is an integer number (84121065).

Almost surely, 2^999838632 is an apocalyptic number.

It is an amenable number.

999838632 is an abundant number, since it is smaller than the sum of its proper divisors (1692035448).

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

999838632 is a wasteful number, since it uses less digits than its factorization.

999838632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204633 (or 3204629 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 57.

The square root of 999838632 is about 31620.2250466375. The cubic root of 999838632 is about 999.9462077731.

The spelling of 999838632 in words is "nine hundred ninety-nine million, eight hundred thirty-eight thousand, six hundred thirty-two".