8414421 has 4 divisors (see below), whose sum is σ = 11219232. Its totient is φ = 5609612.

The previous prime is 8414387. The next prime is 8414443. The reversal of 8414421 is 1244148.

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 8414421 - 2⁷ = 8414293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8414391 and 8414400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8414621) 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, 1402401 + ... + 1402406.

It is an arithmetic number, because the mean of its divisors is an integer number (2804808).

Almost surely, 2^8414421 is an apocalyptic number.

It is an amenable number.

8414421 is a deficient number, since it is larger than the sum of its proper divisors (2804811).

8414421 is a wasteful number, since it uses less digits than its factorization.

8414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804810.

The product of its digits is 1024, while the sum is 24.

The square root of 8414421 is about 2900.7621412312. The cubic root of 8414421 is about 203.3955338388.

Adding to 8414421 its reverse (1244148), we get a palindrome (9658569).

The spelling of 8414421 in words is "eight million, four hundred fourteen thousand, four hundred twenty-one".