999468 has 18 divisors (see below), whose sum is σ = 2526524. Its totient is φ = 333144.

The previous prime is 999451. The next prime is 999491. The reversal of 999468 is 864999.

It is a tau number, because it is divible by the number of its divisors (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999468.

It is an unprimeable number.

999468 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13846 + ... + 13917.

2⁹⁹⁹⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

999468 is an abundant number, since it is smaller than the sum of its proper divisors (1527056).

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

999468 is a wasteful number, since it uses less digits than its factorization.

999468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27773 (or 27768 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 999468 is about 999.7339646126. The cubic root of 999468 is about 99.9822635210.

The spelling of 999468 in words is "nine hundred ninety-nine thousand, four hundred sixty-eight".