9900063 has 24 divisors (see below), whose sum is σ = 14990976. Its totient is φ = 6528600.

The previous prime is 9900047. The next prime is 9900091. The reversal of 9900063 is 3600099.

It is not a de Polignac number, because 9900063 - 2⁴ = 9900047 is a prime.

It is a super-2 number, since 2×9900063² = 196022494807938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9910063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31678 + ... + 31988.

It is an arithmetic number, because the mean of its divisors is an integer number (624624).

Almost surely, 2^9900063 is an apocalyptic number.

9900063 is a deficient number, since it is larger than the sum of its proper divisors (5090913).

9900063 is a wasteful number, since it uses less digits than its factorization.

9900063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 9900063 is about 3146.4365558517. The cubic root of 9900063 is about 214.7233723738.

The spelling of 9900063 in words is "nine million, nine hundred thousand, sixty-three".