8654421 has 4 divisors (see below), whose sum is σ = 11539232. Its totient is φ = 5769612.

The previous prime is 8654389. The next prime is 8654431. The reversal of 8654421 is 1244568.

8654421 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 not a de Polignac number, because 8654421 - 2⁵ = 8654389 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8654431) 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, 1442401 + ... + 1442406.

It is an arithmetic number, because the mean of its divisors is an integer number (2884808).

Almost surely, 2^8654421 is an apocalyptic number.

It is an amenable number.

8654421 is a deficient number, since it is larger than the sum of its proper divisors (2884811).

8654421 is a wasteful number, since it uses less digits than its factorization.

8654421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884810.

The product of its digits is 7680, while the sum is 30.

The square root of 8654421 is about 2941.8397305088. The cubic root of 8654421 is about 205.3112147868.

Adding to 8654421 its reverse (1244568), we get a palindrome (9898989).

The spelling of 8654421 in words is "eight million, six hundred fifty-four thousand, four hundred twenty-one".