4663421 has 4 divisors (see below), whose sum is σ = 5329632. Its totient is φ = 3997212.

The previous prime is 4663367. The next prime is 4663427. The reversal of 4663421 is 1243664.

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 4663421 - 2¹⁴ = 4647037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663427) 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, 333095 + ... + 333108.

It is an arithmetic number, because the mean of its divisors is an integer number (1332408).

Almost surely, 2^4663421 is an apocalyptic number.

It is an amenable number.

4663421 is a deficient number, since it is larger than the sum of its proper divisors (666211).

4663421 is an equidigital number, since it uses as much as digits as its factorization.

4663421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666210.

The product of its digits is 3456, while the sum is 26.

The square root of 4663421 is about 2159.4955429452. The cubic root of 4663421 is about 167.0711805280.

The spelling of 4663421 in words is "four million, six hundred sixty-three thousand, four hundred twenty-one".