9697018 has 4 divisors (see below), whose sum is σ = 14545530. Its totient is φ = 4848508.

The previous prime is 9697003. The next prime is 9697019. The reversal of 9697018 is 8107969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8107969 = 1597 ⋅5077.

It can be written as a sum of positive squares in only one way, i.e., 8311689 + 1385329 = 2883^2 + 1177^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9697019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2424253 + ... + 2424256.

Almost surely, 2^9697018 is an apocalyptic number.

9697018 is a deficient number, since it is larger than the sum of its proper divisors (4848512).

9697018 is a wasteful number, since it uses less digits than its factorization.

9697018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848511.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9697018 is about 3114.0035324322. The cubic root of 9697018 is about 213.2452669271.

The spelling of 9697018 in words is "nine million, six hundred ninety-seven thousand, eighteen".