999998336 has 16 divisors (see below), whose sum is σ = 1992184440. Its totient is φ = 499999104.

The previous prime is 999998309. The next prime is 999998339. The reversal of 999998336 is 633899999.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999998339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3906116 + ... + 3906371.

Almost surely, 2^999998336 is an apocalyptic number.

It is an amenable number.

999998336 is a deficient number, since it is larger than the sum of its proper divisors (992186104).

999998336 is an equidigital number, since it uses as much as digits as its factorization.

999998336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7812501 (or 7812489 counting only the distinct ones).

The product of its digits is 25509168, while the sum is 65.

The square root of 999998336 is about 31622.7502915227. The cubic root of 999998336 is about 999.9994453330. Note that the first 3 decimals are identical.

The spelling of 999998336 in words is "nine hundred ninety-nine million, nine hundred ninety-eight thousand, three hundred thirty-six".