999000876 has 24 divisors (see below), whose sum is σ = 2331612864. Its totient is φ = 332913040.

The previous prime is 999000841. The next prime is 999000901. The reversal of 999000876 is 678000999.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50731 + ... + 67613.

It is an arithmetic number, because the mean of its divisors is an integer number (97150536).

Almost surely, 2^999000876 is an apocalyptic number.

It is an amenable number.

999000876 is an abundant number, since it is smaller than the sum of its proper divisors (1332611988).

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

999000876 is a wasteful number, since it uses less digits than its factorization.

999000876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21821 (or 21819 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 999000876 is about 31606.9751162619. The cubic root of 999000876 is about 999.6668476885. Note that the first 3 decimals are identical.

The spelling of 999000876 in words is "nine hundred ninety-nine million, eight hundred seventy-six", and thus it is an aban number.