999829994 has 8 divisors (see below), whose sum is σ = 1500060000. Its totient is φ = 499809996.

The previous prime is 999829969. The next prime is 999829997. The reversal of 999829994 is 499928999.

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

999829994 is a modest number, since divided by 29994 gives 9998 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (999829997) 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, 40004 + ... + 59999.

It is an arithmetic number, because the mean of its divisors is an integer number (187507500).

Almost surely, 2^999829994 is an apocalyptic number.

999829994 is a deficient number, since it is larger than the sum of its proper divisors (500230006).

999829994 is a wasteful number, since it uses less digits than its factorization.

999829994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105004.

The product of its digits is 34012224, while the sum is 68.

The square root of 999829994 is about 31620.0884565493. The cubic root of 999829994 is about 999.9433281217.

The spelling of 999829994 in words is "nine hundred ninety-nine million, eight hundred twenty-nine thousand, nine hundred ninety-four".