999000830 has 16 divisors (see below), whose sum is σ = 1802110464. Its totient is φ = 398731680.

The previous prime is 999000817. The next prime is 999000841. The reversal of 999000830 is 38000999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103742 + ... + 112961.

It is an arithmetic number, because the mean of its divisors is an integer number (112631904).

Almost surely, 2^999000830 is an apocalyptic number.

999000830 is a deficient number, since it is larger than the sum of its proper divisors (803109634).

999000830 is a wasteful number, since it uses less digits than its factorization.

999000830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217171.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 999000830 is about 31606.9743885744. The cubic root of 999000830 is about 999.6668323450. Note that the first 3 decimals are identical.

The spelling of 999000830 in words is "nine hundred ninety-nine million, eight hundred thirty", and thus it is an aban number.