463421 has 8 divisors (see below), whose sum is σ = 533760. Its totient is φ = 394128.

The previous prime is 463399. The next prime is 463433. The reversal of 463421 is 124364.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-463421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 463393 and 463402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (66720).

2⁴⁶³⁴²¹ is an apocalyptic number.

It is an amenable number.

463421 is a deficient number, since it is larger than the sum of its proper divisors (70339).

463421 is a wasteful number, since it uses less digits than its factorization.

463421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

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

The square root of 463421 is about 680.7503213367. The cubic root of 463421 is about 77.3853177197.

Adding to 463421 its reverse (124364), we get a palindrome (587785).

The spelling of 463421 in words is "four hundred sixty-three thousand, four hundred twenty-one".