412621 has 4 divisors (see below), whose sum is σ = 450144. Its totient is φ = 375100.

The previous prime is 412619. The next prime is 412627. The reversal of 412621 is 126214.

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 412621 - 2¹ = 412619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412595 and 412604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18745 + ... + 18766.

It is an arithmetic number, because the mean of its divisors is an integer number (112536).

2⁴¹²⁶²¹ is an apocalyptic number.

It is an amenable number.

412621 is a deficient number, since it is larger than the sum of its proper divisors (37523).

412621 is a wasteful number, since it uses less digits than its factorization.

412621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37522.

The product of its digits is 96, while the sum is 16.

The square root of 412621 is about 642.3558203986. The cubic root of 412621 is about 74.4475555410.

Adding to 412621 its reverse (126214), we get a palindrome (538835).

It can be divided in two parts, 41 and 2621, that added together give a palindrome (2662).

The spelling of 412621 in words is "four hundred twelve thousand, six hundred twenty-one".