999348285 has 32 divisors (see below), whose sum is σ = 1727929728. Its totient is φ = 490279680.

The previous prime is 999348283. The next prime is 999348289. The reversal of 999348285 is 582843999.

It is not a de Polignac number, because 999348285 - 2¹ = 999348283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999348283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48390 + ... + 65880.

It is an arithmetic number, because the mean of its divisors is an integer number (53997804).

Almost surely, 2^999348285 is an apocalyptic number.

It is an amenable number.

999348285 is a deficient number, since it is larger than the sum of its proper divisors (728581443).

999348285 is a wasteful number, since it uses less digits than its factorization.

999348285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805.

The product of its digits is 5598720, while the sum is 57.

The square root of 999348285 is about 31612.4704033076. The cubic root of 999348285 is about 999.7827144571.

The spelling of 999348285 in words is "nine hundred ninety-nine million, three hundred forty-eight thousand, two hundred eighty-five".