999318546 has 24 divisors (see below), whose sum is σ = 2245383504. Its totient is φ = 333106020.

The previous prime is 999318521. The next prime is 999318553. The reversal of 999318546 is 645813999.

999318546 is a `hidden beast` number, since 9 + 9 + 93 + 1 + 8 + 546 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 999318492 and 999318501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027620 + ... + 1028591.

It is an arithmetic number, because the mean of its divisors is an integer number (93557646).

Almost surely, 2^999318546 is an apocalyptic number.

999318546 is an abundant number, since it is smaller than the sum of its proper divisors (1246064958).

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

999318546 is a wasteful number, since it uses less digits than its factorization.

999318546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056228 (or 2056216 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 999318546 is about 31612.0000316336. Note that the first 4 decimals coincide. The cubic root of 999318546 is about 999.7727970494.

The spelling of 999318546 in words is "nine hundred ninety-nine million, three hundred eighteen thousand, five hundred forty-six".