999801934 has 8 divisors (see below), whose sum is σ = 1505040768. Its totient is φ = 498121680.

The previous prime is 999801893. The next prime is 999801937. The reversal of 999801934 is 439108999.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999801937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888942 + ... + 890065.

It is an arithmetic number, because the mean of its divisors is an integer number (188130096).

Almost surely, 2^999801934 is an apocalyptic number.

999801934 is a deficient number, since it is larger than the sum of its proper divisors (505238834).

999801934 is a wasteful number, since it uses less digits than its factorization.

999801934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779290.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 999801934 is about 31619.6447481625. The cubic root of 999801934 is about 999.9339736406.

The spelling of 999801934 in words is "nine hundred ninety-nine million, eight hundred one thousand, nine hundred thirty-four".