420463 has 8 divisors (see below), whose sum is σ = 445536. Its totient is φ = 396000.

The previous prime is 420457. The next prime is 420467. The reversal of 420463 is 364024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420463 is a prime.

It is a Duffinian number.

420463 is a lucky number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 420463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420467) 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, 2233 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (55692).

2⁴²⁰⁴⁶³ is an apocalyptic number.

420463 is a deficient number, since it is larger than the sum of its proper divisors (25073).

420463 is a wasteful number, since it uses less digits than its factorization.

420463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420463 is about 648.4311837042. The cubic root of 420463 is about 74.9162324006.

Adding to 420463 its reverse (364024), we get a palindrome (784487).

The spelling of 420463 in words is "four hundred twenty thousand, four hundred sixty-three".