9673638 has 16 divisors (see below), whose sum is σ = 20835696. Its totient is φ = 2976480.

The previous prime is 9673627. The next prime is 9673649. The reversal of 9673638 is 8363769.

It is an interprime number because it is at equal distance from previous prime (9673627) and next prime (9673649).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9673638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61933 + ... + 62088.

It is an arithmetic number, because the mean of its divisors is an integer number (1302231).

Almost surely, 2^9673638 is an apocalyptic number.

9673638 is an abundant number, since it is smaller than the sum of its proper divisors (11162058).

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

9673638 is a wasteful number, since it uses less digits than its factorization.

9673638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124039.

The product of its digits is 163296, while the sum is 42.

The square root of 9673638 is about 3110.2472570521. The cubic root of 9673638 is about 213.0737473039.

The spelling of 9673638 in words is "nine million, six hundred seventy-three thousand, six hundred thirty-eight".