9687242 has 4 divisors (see below), whose sum is σ = 14530866. Its totient is φ = 4843620.

The previous prime is 9687241. The next prime is 9687257. The reversal of 9687242 is 2427869.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5958481 + 3728761 = 2441^2 + 1931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9687196 and 9687205.

It is not an unprimeable number, because it can be changed into a prime (9687241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2421809 + ... + 2421812.

Almost surely, 2^9687242 is an apocalyptic number.

9687242 is a deficient number, since it is larger than the sum of its proper divisors (4843624).

9687242 is a wasteful number, since it uses less digits than its factorization.

9687242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843623.

The product of its digits is 48384, while the sum is 38.

The square root of 9687242 is about 3112.4334531039. The cubic root of 9687242 is about 213.1735821172.

The spelling of 9687242 in words is "nine million, six hundred eighty-seven thousand, two hundred forty-two".