9748789 has 4 divisors (see below), whose sum is σ = 9771840. Its totient is φ = 9725740.

The previous prime is 9748777. The next prime is 9748799. The reversal of 9748789 is 9878479.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9748789 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 (9748709) 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, 10879 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (2442960).

Almost surely, 2^9748789 is an apocalyptic number.

It is an amenable number.

9748789 is a deficient number, since it is larger than the sum of its proper divisors (23051).

9748789 is a wasteful number, since it uses less digits than its factorization.

9748789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050.

The product of its digits is 1016064, while the sum is 52.

The square root of 9748789 is about 3122.3050779833. The cubic root of 9748789 is about 213.6240889500.

The spelling of 9748789 in words is "nine million, seven hundred forty-eight thousand, seven hundred eighty-nine".