999829902 has 8 divisors (see below), whose sum is σ = 1999659816. Its totient is φ = 333276632.

The previous prime is 999829879. The next prime is 999829903. The reversal of 999829902 is 209928999.

999829902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

999829902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999829903) 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, 83319153 + ... + 83319164.

It is an arithmetic number, because the mean of its divisors is an integer number (249957477).

Almost surely, 2^999829902 is an apocalyptic number.

999829902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

999829902 is a wasteful number, since it uses less digits than its factorization.

999829902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166638322.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 999829902 is about 31620.0870017778. The cubic root of 999829902 is about 999.9432974515.

The spelling of 999829902 in words is "nine hundred ninety-nine million, eight hundred twenty-nine thousand, nine hundred two".