8579641 has 4 divisors (see below), whose sum is σ = 9805312. Its totient is φ = 7353972.

The previous prime is 8579639. The next prime is 8579651. The reversal of 8579641 is 1469758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1469758 = 2 ⋅734879.

It is a cyclic number.

It is not a de Polignac number, because 8579641 - 2¹ = 8579639 is a prime.

It is a super-2 number, since 2×8579641² = 147220479377762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8579594 and 8579603.

It is not an unprimeable number, because it can be changed into a prime (8579651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612825 + ... + 612838.

It is an arithmetic number, because the mean of its divisors is an integer number (2451328).

Almost surely, 2^8579641 is an apocalyptic number.

It is an amenable number.

8579641 is a deficient number, since it is larger than the sum of its proper divisors (1225671).

8579641 is a wasteful number, since it uses less digits than its factorization.

8579641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225670.

The product of its digits is 60480, while the sum is 40.

The square root of 8579641 is about 2929.1024222447. The cubic root of 8579641 is about 204.7181611820.

The spelling of 8579641 in words is "eight million, five hundred seventy-nine thousand, six hundred forty-one".