9950663 has 4 divisors (see below), whose sum is σ = 9958080. Its totient is φ = 9943248.

The previous prime is 9950657. The next prime is 9950687. The reversal of 9950663 is 3660599.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3660599 = 643 ⋅5693.

It is a cyclic number.

It is not a de Polignac number, because 9950663 - 2⁸ = 9950407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9950653) 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, 1070 + ... + 4587.

It is an arithmetic number, because the mean of its divisors is an integer number (2489520).

Almost surely, 2^9950663 is an apocalyptic number.

9950663 is a deficient number, since it is larger than the sum of its proper divisors (7417).

9950663 is a wasteful number, since it uses less digits than its factorization.

9950663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 9950663 is about 3154.4671499320. The cubic root of 9950663 is about 215.0885735648.

Subtracting from 9950663 its reverse (3660599), we obtain a square (6290064 = 2508²).

The spelling of 9950663 in words is "nine million, nine hundred fifty thousand, six hundred sixty-three".