9749797 has 4 divisors (see below), whose sum is σ = 9763936. Its totient is φ = 9735660.

The previous prime is 9749743. The next prime is 9749801. The reversal of 9749797 is 7979479.

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-9749797 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 (9749197) 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, 5979 + ... + 7432.

It is an arithmetic number, because the mean of its divisors is an integer number (2440984).

Almost surely, 2^9749797 is an apocalyptic number.

It is an amenable number.

9749797 is a deficient number, since it is larger than the sum of its proper divisors (14139).

9749797 is a wasteful number, since it uses less digits than its factorization.

9749797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14138.

The product of its digits is 1000188, while the sum is 52.

The square root of 9749797 is about 3122.4664930148. The cubic root of 9749797 is about 213.6314514255.

It can be divided in two parts, 97 and 49797, that added together give a palindrome (49894).

The spelling of 9749797 in words is "nine million, seven hundred forty-nine thousand, seven hundred ninety-seven".