999849298 has 64 divisors (see below), whose sum is σ = 1841875200. Its totient is φ = 397958400.

The previous prime is 999849289. The next prime is 999849299. The reversal of 999849298 is 892948999.

It is a super-2 number, since 2×999849298² = 1999397237422185608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999849299) 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 31 ways as a sum of consecutive naturals, for example, 1516893 + ... + 1517551.

It is an arithmetic number, because the mean of its divisors is an integer number (28779300).

Almost surely, 2^999849298 is an apocalyptic number.

999849298 is a deficient number, since it is larger than the sum of its proper divisors (842025902).

999849298 is a wasteful number, since it uses less digits than its factorization.

999849298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its digits is 30233088, while the sum is 67.

The square root of 999849298 is about 31620.3937040638. The cubic root of 999849298 is about 999.9497634763.

The spelling of 999849298 in words is "nine hundred ninety-nine million, eight hundred forty-nine thousand, two hundred ninety-eight".