9999532 has 12 divisors (see below), whose sum is σ = 17871840. Its totient is φ = 4893296.

The previous prime is 9999511. The next prime is 9999533. The reversal of 9999532 is 2359999.

It is a happy number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9999533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26407 + ... + 26782.

It is an arithmetic number, because the mean of its divisors is an integer number (1489320).

Almost surely, 2^9999532 is an apocalyptic number.

It is an amenable number.

9999532 is a deficient number, since it is larger than the sum of its proper divisors (7872308).

9999532 is a wasteful number, since it uses less digits than its factorization.

9999532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53240 (or 53238 counting only the distinct ones).

The product of its digits is 196830, while the sum is 46.

The square root of 9999532 is about 3162.2036620053. The cubic root of 9999532 is about 215.4401080326.

The spelling of 9999532 in words is "nine million, nine hundred ninety-nine thousand, five hundred thirty-two".