999998466 has 32 divisors (see below), whose sum is σ = 2013638400. Its totient is φ = 331067520.

The previous prime is 999998459. The next prime is 999998501. The reversal of 999998466 is 664899999.

It is a self number, because there is not a number n which added to its sum of digits gives 999998466.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 775150 + ... + 776438.

It is an arithmetic number, because the mean of its divisors is an integer number (62926200).

Almost surely, 2^999998466 is an apocalyptic number.

999998466 is an abundant number, since it is smaller than the sum of its proper divisors (1013639934).

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

999998466 is a wasteful number, since it uses less digits than its factorization.

999998466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074.

The product of its digits is 68024448, while the sum is 69.

The square root of 999998466 is about 31622.7523470048. The cubic root of 999998466 is about 999.9994886664. Note that the first 3 decimals are identical.

The spelling of 999998466 in words is "nine hundred ninety-nine million, nine hundred ninety-eight thousand, four hundred sixty-six".