999575652 has 12 divisors (see below), whose sum is σ = 2332343216. Its totient is φ = 333191880.

The previous prime is 999575651. The next prime is 999575657. The reversal of 999575652 is 256575999.

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

It is a junction number, because it is equal to n+sod(n) for n = 999575592 and 999575601.

It is not an unprimeable number, because it can be changed into a prime (999575651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41648974 + ... + 41648997.

Almost surely, 2^999575652 is an apocalyptic number.

It is an amenable number.

999575652 is an abundant number, since it is smaller than the sum of its proper divisors (1332767564).

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

999575652 is a wasteful number, since it uses less digits than its factorization.

999575652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83297978 (or 83297976 counting only the distinct ones).

The product of its digits is 7654500, while the sum is 57.

The square root of 999575652 is about 31616.0663587360. The cubic root of 999575652 is about 999.8585306540.

The spelling of 999575652 in words is "nine hundred ninety-nine million, five hundred seventy-five thousand, six hundred fifty-two".