999485442 has 12 divisors (see below), whose sum is σ = 2165551830. Its totient is φ = 333161808.

The previous prime is 999485441. The next prime is 999485453. The reversal of 999485442 is 244584999.

999485442 is a `hidden beast` number, since 9 + 9 + 94 + 8 + 544 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 929579121 + 69906321 = 30489^2 + 8361^2 .

It is a super-2 number, since 2×999485442² = 1997942297539870728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999485441) 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 5 ways as a sum of consecutive naturals, for example, 27763467 + ... + 27763502.

Almost surely, 2^999485442 is an apocalyptic number.

999485442 is an abundant number, since it is smaller than the sum of its proper divisors (1166066388).

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

999485442 is a wasteful number, since it uses less digits than its factorization.

999485442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55526977 (or 55526974 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 999485442 is about 31614.6396784781. The cubic root of 999485442 is about 999.8284512394.

The spelling of 999485442 in words is "nine hundred ninety-nine million, four hundred eighty-five thousand, four hundred forty-two".