9963763 has 4 divisors (see below), whose sum is σ = 9987208. Its totient is φ = 9940320.

The previous prime is 9963749. The next prime is 9963769. The reversal of 9963763 is 3673699.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9963763 - 2⁹ = 9963251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9963769) 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, 11073 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (2496802).

Almost surely, 2^9963763 is an apocalyptic number.

9963763 is a deficient number, since it is larger than the sum of its proper divisors (23445).

9963763 is a wasteful number, since it uses less digits than its factorization.

9963763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23444.

The product of its digits is 183708, while the sum is 43.

The square root of 9963763 is about 3156.5428874007. The cubic root of 9963763 is about 215.1829198658.

Subtracting from 9963763 its reverse (3673699), we obtain a square (6290064 = 2508²).

The spelling of 9963763 in words is "nine million, nine hundred sixty-three thousand, seven hundred sixty-three".