999000560 has 20 divisors (see below), whose sum is σ = 2322676488. Its totient is φ = 399600192.

The previous prime is 999000521. The next prime is 999000589. The reversal of 999000560 is 65000999.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 6243674 + ... + 6243833.

Almost surely, 2^999000560 is an apocalyptic number.

It is an amenable number.

999000560 is an abundant number, since it is smaller than the sum of its proper divisors (1323675928).

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

999000560 is a wasteful number, since it uses less digits than its factorization.

999000560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487520 (or 12487514 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 999000560 is about 31606.9701173649. The cubic root of 999000560 is about 999.6667422850. Note that the first 3 decimals are identical.

The spelling of 999000560 in words is "nine hundred ninety-nine million, five hundred sixty", and thus it is an aban number.