999204 has 12 divisors (see below), whose sum is σ = 2331504. Its totient is φ = 333064.

The previous prime is 999199. The next prime is 999217. The reversal of 999204 is 402999.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41622 + ... + 41645.

It is an arithmetic number, because the mean of its divisors is an integer number (194292).

2⁹⁹⁹²⁰⁴ is an apocalyptic number.

It is an amenable number.

999204 is an abundant number, since it is smaller than the sum of its proper divisors (1332300).

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

999204 is a wasteful number, since it uses less digits than its factorization.

999204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83274 (or 83272 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 999204 is about 999.6019207665. The cubic root of 999204 is about 99.9734596234.

The spelling of 999204 in words is "nine hundred ninety-nine thousand, two hundred four".