999829000 has 64 divisors (see below), whose sum is σ = 2354002560. Its totient is φ = 397470400.

The previous prime is 999828989. The next prime is 999829003. The reversal of 999829000 is 928999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (999829003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164007 + ... + 169993.

It is an arithmetic number, because the mean of its divisors is an integer number (36781290).

Almost surely, 2^999829000 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 999829000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177001280).

999829000 is an abundant number, since it is smaller than the sum of its proper divisors (1354173560).

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

999829000 is a wasteful number, since it uses less digits than its factorization.

999829000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 999829000 is about 31620.0727386893. The cubic root of 999829000 is about 999.9429967507.

The spelling of 999829000 in words is "nine hundred ninety-nine million, eight hundred twenty-nine thousand".