9671636 has 12 divisors (see below), whose sum is σ = 18227412. Its totient is φ = 4463808.

The previous prime is 9671621. The next prime is 9671639. The reversal of 9671636 is 6361769.

9671636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 4120900 = 2356^2 + 2030^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9671636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9671639) 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, 92945 + ... + 93048.

It is an arithmetic number, because the mean of its divisors is an integer number (1518951).

Almost surely, 2^9671636 is an apocalyptic number.

It is an amenable number.

9671636 is a deficient number, since it is larger than the sum of its proper divisors (8555776).

9671636 is a wasteful number, since it uses less digits than its factorization.

9671636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186010 (or 186008 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 9671636 is about 3109.9254010346. The cubic root of 9671636 is about 213.0590474542.

The spelling of 9671636 in words is "nine million, six hundred seventy-one thousand, six hundred thirty-six".