9688157 has 12 divisors (see below), whose sum is σ = 10460736. Its totient is φ = 8967240.

The previous prime is 9688141. The next prime is 9688169. The reversal of 9688157 is 7518869.

It is a happy number.

It is not a de Polignac number, because 9688157 - 2⁴ = 9688141 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9688127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16682 + ... + 17252.

It is an arithmetic number, because the mean of its divisors is an integer number (871728).

Almost surely, 2^9688157 is an apocalyptic number.

It is an amenable number.

9688157 is a deficient number, since it is larger than the sum of its proper divisors (772579).

9688157 is a wasteful number, since it uses less digits than its factorization.

9688157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 637 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 9688157 is about 3112.5804407276. The cubic root of 9688157 is about 213.1802936142.

The spelling of 9688157 in words is "nine million, six hundred eighty-eight thousand, one hundred fifty-seven".