409341 has 4 divisors (see below), whose sum is σ = 545792. Its totient is φ = 272892.

The previous prime is 409337. The next prime is 409349. The reversal of 409341 is 143904.

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 409341 - 2² = 409337 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409349) 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, 68221 + ... + 68226.

It is an arithmetic number, because the mean of its divisors is an integer number (136448).

2⁴⁰⁹³⁴¹ is an apocalyptic number.

It is an amenable number.

409341 is a deficient number, since it is larger than the sum of its proper divisors (136451).

409341 is a wasteful number, since it uses less digits than its factorization.

409341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136450.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 409341 is about 639.7976242532. The cubic root of 409341 is about 74.2497647625.

The spelling of 409341 in words is "four hundred nine thousand, three hundred forty-one".