9999552 has 28 divisors (see below), whose sum is σ = 26457656. Its totient is φ = 3333120.

The previous prime is 9999533. The next prime is 9999593. The reversal of 9999552 is 2559999.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 10.

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, 25849 + ... + 26232.

Almost surely, 2^9999552 is an apocalyptic number.

It is an amenable number.

9999552 is an abundant number, since it is smaller than the sum of its proper divisors (16458104).

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

9999552 is a wasteful number, since it uses less digits than its factorization.

9999552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52096 (or 52086 counting only the distinct ones).

The product of its digits is 328050, while the sum is 48.

The square root of 9999552 is about 3162.2068243554. The cubic root of 9999552 is about 215.4402516660.

The spelling of 9999552 in words is "nine million, nine hundred ninety-nine thousand, five hundred fifty-two".