412409 has 4 divisors (see below), whose sum is σ = 426660. Its totient is φ = 398160.

The previous prime is 412397. The next prime is 412411. The reversal of 412409 is 904214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 162409 = 500^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 412409 - 2¹⁶ = 346873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412109) 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, 7082 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (106665).

2⁴¹²⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

412409 is a deficient number, since it is larger than the sum of its proper divisors (14251).

412409 is a wasteful number, since it uses less digits than its factorization.

412409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 412409 is about 642.1907816218. The cubic root of 412409 is about 74.4348032530.

The spelling of 412409 in words is "four hundred twelve thousand, four hundred nine".