9697986 has 12 divisors (see below), whose sum is σ = 21012342. Its totient is φ = 3232656.

The previous prime is 9697979. The next prime is 9697991. The reversal of 9697986 is 6897969.

It can be written as a sum of positive squares in only one way, i.e., 7667361 + 2030625 = 2769^2 + 1425^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269371 + ... + 269406.

Almost surely, 2^9697986 is an apocalyptic number.

9697986 is an abundant number, since it is smaller than the sum of its proper divisors (11314356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9697986 is a wasteful number, since it uses less digits than its factorization.

9697986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538785 (or 538782 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 9697986 is about 3114.1589554806. The cubic root of 9697986 is about 213.2523623919.

The spelling of 9697986 in words is "nine million, six hundred ninety-seven thousand, nine hundred eighty-six".