9999652 has 24 divisors (see below), whose sum is σ = 19038656. Its totient is φ = 4567968.

The previous prime is 9999637. The next prime is 9999653. The reversal of 9999652 is 2569999.

It is a super-2 number, since 2×9999652² = 199986080242208, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9999596 and 9999605.

It is not an unprimeable number, because it can be changed into a prime (9999653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423 + ... + 6289.

Almost surely, 2^9999652 is an apocalyptic number.

It is an amenable number.

9999652 is a deficient number, since it is larger than the sum of its proper divisors (9039004).

9999652 is a wasteful number, since it uses less digits than its factorization.

9999652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1985 counting only the distinct ones).

The product of its digits is 393660, while the sum is 49.

The square root of 9999652 is about 3162.2226360584. Note that the first 3 decimals coincide. The cubic root of 9999652 is about 215.4409698300.

The spelling of 9999652 in words is "nine million, nine hundred ninety-nine thousand, six hundred fifty-two".