8272538 has 4 divisors (see below), whose sum is σ = 12408810. Its totient is φ = 4136268.

The previous prime is 8272531. The next prime is 8272541. The reversal of 8272538 is 8352728.

It is a happy number.

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., 5303809 + 2968729 = 2303^2 + 1723^2 .

It is a super-2 number, since 2×8272538² = 136869769922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8272498 and 8272507.

It is not an unprimeable number, because it can be changed into a prime (8272531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068133 + ... + 2068136.

Almost surely, 2^8272538 is an apocalyptic number.

8272538 is a deficient number, since it is larger than the sum of its proper divisors (4136272).

8272538 is a wasteful number, since it uses less digits than its factorization.

8272538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136271.

The product of its digits is 26880, while the sum is 35.

The square root of 8272538 is about 2876.2020095953. The cubic root of 8272538 is about 202.2458366918.

The spelling of 8272538 in words is "eight million, two hundred seventy-two thousand, five hundred thirty-eight".