9681626 has 4 divisors (see below), whose sum is σ = 14522442. Its totient is φ = 4840812.

The previous prime is 9681613. The next prime is 9681629. The reversal of 9681626 is 6261869.

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., 7845601 + 1836025 = 2801^2 + 1355^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9681626.

It is not an unprimeable number, because it can be changed into a prime (9681629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2420405 + ... + 2420408.

Almost surely, 2^9681626 is an apocalyptic number.

9681626 is a deficient number, since it is larger than the sum of its proper divisors (4840816).

9681626 is a wasteful number, since it uses less digits than its factorization.

9681626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840815.

The product of its digits is 31104, while the sum is 38.

The square root of 9681626 is about 3111.5311343453. The cubic root of 9681626 is about 213.1323796690.

The spelling of 9681626 in words is "nine million, six hundred eighty-one thousand, six hundred twenty-six".