999948270 has 32 divisors (see below), whose sum is σ = 2402900640. Its totient is φ = 266316800.

The previous prime is 999948269. The next prime is 999948289. The reversal of 999948270 is 72849999.

It is a self number, because there is not a number n which added to its sum of digits gives 999948270.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3670 + ... + 44870.

It is an arithmetic number, because the mean of its divisors is an integer number (75090645).

Almost surely, 2^999948270 is an apocalyptic number.

999948270 is an abundant number, since it is smaller than the sum of its proper divisors (1402952370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999948270 is a wasteful number, since it uses less digits than its factorization.

999948270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42020.

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 999948270 is about 31621.9586679889. The cubic root of 999948270 is about 999.9827563693.

The spelling of 999948270 in words is "nine hundred ninety-nine million, nine hundred forty-eight thousand, two hundred seventy".