8639041 has 4 divisors (see below), whose sum is σ = 8683092. Its totient is φ = 8594992.

The previous prime is 8639027. The next prime is 8639051. The reversal of 8639041 is 1409368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 3330625 = 2304^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 8639041 - 2²³ = 250433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8638994 and 8639012.

It is not an unprimeable number, because it can be changed into a prime (8639011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21730 + ... + 22123.

It is an arithmetic number, because the mean of its divisors is an integer number (2170773).

Almost surely, 2^8639041 is an apocalyptic number.

It is an amenable number.

8639041 is a deficient number, since it is larger than the sum of its proper divisors (44051).

8639041 is a wasteful number, since it uses less digits than its factorization.

8639041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44050.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8639041 is about 2939.2245576002. The cubic root of 8639041 is about 205.1895213438.

The spelling of 8639041 in words is "eight million, six hundred thirty-nine thousand, forty-one".