9698749 has 4 divisors (see below), whose sum is σ = 9711520. Its totient is φ = 9685980.

The previous prime is 9698747. The next prime is 9698761. The reversal of 9698749 is 9478969.

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 not a de Polignac number, because 9698749 - 2¹ = 9698747 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9698696 and 9698705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9698747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5169 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (2427880).

Almost surely, 2^9698749 is an apocalyptic number.

It is an amenable number.

9698749 is a deficient number, since it is larger than the sum of its proper divisors (12771).

9698749 is a wasteful number, since it uses less digits than its factorization.

9698749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12770.

The product of its digits is 979776, while the sum is 52.

The square root of 9698749 is about 3114.2814580574. The cubic root of 9698749 is about 213.2579548687.

The spelling of 9698749 in words is "nine million, six hundred ninety-eight thousand, seven hundred forty-nine".