9672538 has 4 divisors (see below), whose sum is σ = 14508810. Its totient is φ = 4836268.

The previous prime is 9672511. The next prime is 9672557. The reversal of 9672538 is 8352769.

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., 7038409 + 2634129 = 2653^2 + 1623^2 .

It is a super-2 number, since 2×9672538² = 187115982722888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 9672538.

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 as a sum of consecutive naturals, namely, 2418133 + ... + 2418136.

Almost surely, 2^9672538 is an apocalyptic number.

9672538 is a deficient number, since it is larger than the sum of its proper divisors (4836272).

9672538 is a wasteful number, since it uses less digits than its factorization.

9672538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836271.

The product of its digits is 90720, while the sum is 40.

The square root of 9672538 is about 3110.0704172092. The cubic root of 9672538 is about 213.0656707145.

The spelling of 9672538 in words is "nine million, six hundred seventy-two thousand, five hundred thirty-eight".