8674561 has 4 divisors (see below), whose sum is σ = 9913792. Its totient is φ = 7435332.

The previous prime is 8674553. The next prime is 8674571. The reversal of 8674561 is 1654768.

8674561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 8674561 - 2³ = 8674553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8674561.

It is not an unprimeable number, because it can be changed into a prime (8674511) 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, 619605 + ... + 619618.

It is an arithmetic number, because the mean of its divisors is an integer number (2478448).

Almost surely, 2^8674561 is an apocalyptic number.

It is an amenable number.

8674561 is a deficient number, since it is larger than the sum of its proper divisors (1239231).

8674561 is a wasteful number, since it uses less digits than its factorization.

8674561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239230.

The product of its digits is 40320, while the sum is 37.

The square root of 8674561 is about 2945.2607694396. The cubic root of 8674561 is about 205.4703536618.

It can be divided in two parts, 86 and 74561, that added together give a palindrome (74647).

The spelling of 8674561 in words is "eight million, six hundred seventy-four thousand, five hundred sixty-one".