9638997 has 8 divisors (see below), whose sum is σ = 12877920. Its totient is φ = 6413040.

The previous prime is 9638957. The next prime is 9639011. The reversal of 9638997 is 7998369.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9638997 - 2¹⁰ = 9637973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9638927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347 + ... + 4592.

It is an arithmetic number, because the mean of its divisors is an integer number (1609740).

Almost surely, 2^9638997 is an apocalyptic number.

It is an amenable number.

9638997 is a deficient number, since it is larger than the sum of its proper divisors (3238923).

9638997 is a wasteful number, since it uses less digits than its factorization.

9638997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483.

The product of its digits is 734832, while the sum is 51.

The square root of 9638997 is about 3104.6734127763. The cubic root of 9638997 is about 212.8191062636.

It can be divided in two parts, 96 and 38997, that added together give a palindrome (39093).

The spelling of 9638997 in words is "nine million, six hundred thirty-eight thousand, nine hundred ninety-seven".