9685138 has 8 divisors (see below), whose sum is σ = 15382332. Its totient is φ = 4557696.

The previous prime is 9685133. The next prime is 9685141. The reversal of 9685138 is 8315869.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 339889 = 3057^2 + 583^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 9685138.

It is not an unprimeable number, because it can be changed into a prime (9685133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142395 + ... + 142462.

Almost surely, 2^9685138 is an apocalyptic number.

9685138 is a deficient number, since it is larger than the sum of its proper divisors (5697194).

9685138 is a wasteful number, since it uses less digits than its factorization.

9685138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284876.

The product of its digits is 51840, while the sum is 40.

The square root of 9685138 is about 3112.0954355546. The cubic root of 9685138 is about 213.1581477382.

The spelling of 9685138 in words is "nine million, six hundred eighty-five thousand, one hundred thirty-eight".