9749863 has 4 divisors (see below), whose sum is σ = 9976648. Its totient is φ = 9523080.

The previous prime is 9749851. The next prime is 9749867. The reversal of 9749863 is 3689479.

9749863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9749863 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 (9749867) 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, 113328 + ... + 113413.

It is an arithmetic number, because the mean of its divisors is an integer number (2494162).

Almost surely, 2^9749863 is an apocalyptic number.

9749863 is a deficient number, since it is larger than the sum of its proper divisors (226785).

9749863 is a wasteful number, since it uses less digits than its factorization.

9749863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226784.

The product of its digits is 326592, while the sum is 46.

The square root of 9749863 is about 3122.4770615651. The cubic root of 9749863 is about 213.6319334747.

The spelling of 9749863 in words is "nine million, seven hundred forty-nine thousand, eight hundred sixty-three".