421411 has 4 divisors (see below), whose sum is σ = 422712. Its totient is φ = 420112.

The previous prime is 421409. The next prime is 421417. The reversal of 421411 is 114124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 421411 - 2¹ = 421409 is a prime.

It is a Duffinian number.

421411 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 421391 and 421400.

It is not an unprimeable number, because it can be changed into a prime (421417) 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, 276 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (105678).

2⁴²¹⁴¹¹ is an apocalyptic number.

421411 is a deficient number, since it is larger than the sum of its proper divisors (1301).

421411 is an equidigital number, since it uses as much as digits as its factorization.

421411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its digits is 32, while the sum is 13.

The square root of 421411 is about 649.1617672044. The cubic root of 421411 is about 74.9724936169.

Adding to 421411 its reverse (114124), we get a palindrome (535535).

It can be divided in two parts, 4214 and 11, that added together give a square (4225 = 65²).

The spelling of 421411 in words is "four hundred twenty-one thousand, four hundred eleven", and thus it is an iban number.