999612804 has 12 divisors (see below), whose sum is σ = 2332429904. Its totient is φ = 333204264.

The previous prime is 999612799. The next prime is 999612827. The reversal of 999612804 is 408216999.

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

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, 41650522 + ... + 41650545.

Almost surely, 2^999612804 is an apocalyptic number.

It is an amenable number.

999612804 is an abundant number, since it is smaller than the sum of its proper divisors (1332817100).

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

999612804 is a wasteful number, since it uses less digits than its factorization.

999612804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83301074 (or 83301072 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 999612804 is about 31616.6539026507. The cubic root of 999612804 is about 999.8709180052.

The spelling of 999612804 in words is "nine hundred ninety-nine million, six hundred twelve thousand, eight hundred four".