999948268 has 12 divisors (see below), whose sum is σ = 1908992232. Its totient is φ = 454521920.

The previous prime is 999948263. The next prime is 999948269. The reversal of 999948268 is 862849999.

It is not an unprimeable number, because it can be changed into a prime (999948263) 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, 11363005 + ... + 11363092.

It is an arithmetic number, because the mean of its divisors is an integer number (159082686).

Almost surely, 2^999948268 is an apocalyptic number.

It is an amenable number.

999948268 is a deficient number, since it is larger than the sum of its proper divisors (909043964).

999948268 is a wasteful number, since it uses less digits than its factorization.

999948268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22726112 (or 22726110 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 64.

The square root of 999948268 is about 31621.9586363653. The cubic root of 999948268 is about 999.9827557026.

The spelling of 999948268 in words is "nine hundred ninety-nine million, nine hundred forty-eight thousand, two hundred sixty-eight".