9697158 has 36 divisors (see below), whose sum is σ = 21847020. Its totient is φ = 3228012.

The previous prime is 9697133. The next prime is 9697159. The reversal of 9697158 is 8517969.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9697159) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12753 + ... + 13491.

Almost surely, 2^9697158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9697158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10923510).

9697158 is an abundant number, since it is smaller than the sum of its proper divisors (12149862).

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

9697158 is an frugal number, since it uses more digits than its factorization.

9697158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 744 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 9697158 is about 3114.0260114521. The cubic root of 9697158 is about 213.2462931599.

The spelling of 9697158 in words is "nine million, six hundred ninety-seven thousand, one hundred fifty-eight".