999394562 has 16 divisors (see below), whose sum is σ = 1535257152. Its totient is φ = 487662000.

The previous prime is 999394559. The next prime is 999394567. The reversal of 999394562 is 265493999.

It is a junction number, because it is equal to n+sod(n) for n = 999394498 and 999394507.

It is not an unprimeable number, because it can be changed into a prime (999394567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113312 + ... + 121812.

It is an arithmetic number, because the mean of its divisors is an integer number (95953572).

Almost surely, 2^999394562 is an apocalyptic number.

999394562 is a deficient number, since it is larger than the sum of its proper divisors (535862590).

999394562 is a wasteful number, since it uses less digits than its factorization.

999394562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913.

The product of its digits is 4723920, while the sum is 56.

The square root of 999394562 is about 31613.2023369984. The cubic root of 999394562 is about 999.7981465913.

The spelling of 999394562 in words is "nine hundred ninety-nine million, three hundred ninety-four thousand, five hundred sixty-two".