421463 has 4 divisors (see below), whose sum is σ = 481680. Its totient is φ = 361248.

The previous prime is 421459. The next prime is 421469. The reversal of 421463 is 364124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421463 - 2² = 421459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421469) 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, 30098 + ... + 30111.

It is an arithmetic number, because the mean of its divisors is an integer number (120420).

2⁴²¹⁴⁶³ is an apocalyptic number.

421463 is a deficient number, since it is larger than the sum of its proper divisors (60217).

421463 is an equidigital number, since it uses as much as digits as its factorization.

421463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60216.

The product of its digits is 576, while the sum is 20.

The square root of 421463 is about 649.2018176191. The cubic root of 421463 is about 74.9755772331.

Adding to 421463 its reverse (364124), we get a palindrome (785587).

The spelling of 421463 in words is "four hundred twenty-one thousand, four hundred sixty-three".