9797761 has 4 divisors (see below), whose sum is σ = 10006272. Its totient is φ = 9589252.

The previous prime is 9797731. The next prime is 9797771. The reversal of 9797761 is 1677979.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1677979 = 131 ⋅12809.

It is a cyclic number.

It is not a de Polignac number, because 9797761 - 2¹⁷ = 9666689 is a prime.

It is a super-2 number, since 2×9797761² = 191992241226242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9797731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104185 + ... + 104278.

It is an arithmetic number, because the mean of its divisors is an integer number (2501568).

Almost surely, 2^9797761 is an apocalyptic number.

It is an amenable number.

9797761 is a deficient number, since it is larger than the sum of its proper divisors (208511).

9797761 is a wasteful number, since it uses less digits than its factorization.

9797761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208510.

The product of its digits is 166698, while the sum is 46.

The square root of 9797761 is about 3130.1375369143. The cubic root of 9797761 is about 213.9811975794.

The spelling of 9797761 in words is "nine million, seven hundred ninety-seven thousand, seven hundred sixty-one".