9999952 has 10 divisors (see below), whose sum is σ = 19374938. Its totient is φ = 4999968.

The previous prime is 9999943. The next prime is 9999971. The reversal of 9999952 is 2599999.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 414736 = 3096^2 + 644^2 .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9999952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312483 + ... + 312514.

Almost surely, 2^9999952 is an apocalyptic number.

It is an amenable number.

9999952 is a deficient number, since it is larger than the sum of its proper divisors (9374986).

9999952 is a wasteful number, since it uses less digits than its factorization.

9999952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625005 (or 624999 counting only the distinct ones).

The product of its digits is 590490, while the sum is 52.

The square root of 9999952 is about 3162.2700706929. The cubic root of 9999952 is about 215.4431242931.

The spelling of 9999952 in words is "nine million, nine hundred ninety-nine thousand, nine hundred fifty-two".