414021 has 4 divisors (see below), whose sum is σ = 552032. Its totient is φ = 276012.

The previous prime is 414019. The next prime is 414031. The reversal of 414021 is 120414.

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 not a de Polignac number, because 414021 - 2¹ = 414019 is a prime.

It is a D-number.

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 = 413988 and 414006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (414031) 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, 69001 + ... + 69006.

It is an arithmetic number, because the mean of its divisors is an integer number (138008).

2⁴¹⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

414021 is a deficient number, since it is larger than the sum of its proper divisors (138011).

414021 is a wasteful number, since it uses less digits than its factorization.

414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138010.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 414021 is about 643.4446363130. Note that the first 3 decimals coincide. The cubic root of 414021 is about 74.5316592917.

Adding to 414021 its reverse (120414), we get a palindrome (534435).

The spelling of 414021 in words is "four hundred fourteen thousand, twenty-one", and thus it is an iban number.