9788497 has 4 divisors (see below), whose sum is σ = 9922660. Its totient is φ = 9654336.

The previous prime is 9788491. The next prime is 9788503. The reversal of 9788497 is 7948879.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (9788491) and next prime (9788503).

It can be written as a sum of positive squares in 2 ways, for example, as 7177041 + 2611456 = 2679^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 9788497 - 2³ = 9788489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9788491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66972 + ... + 67117.

It is an arithmetic number, because the mean of its divisors is an integer number (2480665).

Almost surely, 2^9788497 is an apocalyptic number.

It is an amenable number.

9788497 is a deficient number, since it is larger than the sum of its proper divisors (134163).

9788497 is a wasteful number, since it uses less digits than its factorization.

9788497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134162.

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

The square root of 9788497 is about 3128.6573797717. The cubic root of 9788497 is about 213.9137349922.

The spelling of 9788497 in words is "nine million, seven hundred eighty-eight thousand, four hundred ninety-seven".