8641272 has 16 divisors (see below), whose sum is σ = 21603240. Its totient is φ = 2880416.

The previous prime is 8641249. The next prime is 8641273. The reversal of 8641272 is 2721468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 180003 + ... + 180050.

Almost surely, 2^8641272 is an apocalyptic number.

It is an amenable number.

8641272 is an abundant number, since it is smaller than the sum of its proper divisors (12961968).

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

8641272 is a wasteful number, since it uses less digits than its factorization.

8641272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360062 (or 360058 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 8641272 is about 2939.6040549707. The cubic root of 8641272 is about 205.2071829654.

The spelling of 8641272 in words is "eight million, six hundred forty-one thousand, two hundred seventy-two".