9869634 has 32 divisors (see below), whose sum is σ = 22069440. Its totient is φ = 3269376.

The previous prime is 9869633. The next prime is 9869641. The reversal of 9869634 is 4369689.

9869634 is a `hidden beast` number, since 9 + 8 + 6 + 9 + 634 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9869634.

It is not an unprimeable number, because it can be changed into a prime (9869633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9949 + ... + 10895.

It is an arithmetic number, because the mean of its divisors is an integer number (689670).

Almost surely, 2^9869634 is an apocalyptic number.

9869634 is an abundant number, since it is smaller than the sum of its proper divisors (12199806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9869634 is a wasteful number, since it uses less digits than its factorization.

9869634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1145 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9869634 is about 3141.5973643992. The cubic root of 9869634 is about 214.5031541421.

Subtracting from 9869634 its reverse (4369689), we obtain a palindrome (5499945).

The spelling of 9869634 in words is "nine million, eight hundred sixty-nine thousand, six hundred thirty-four".