409343 has 12 divisors (see below), whose sum is σ = 478800. Its totient is φ = 348480.

The previous prime is 409337. The next prime is 409349. The reversal of 409343 is 343904.

It is an interprime number because it is at equal distance from previous prime (409337) and next prime (409349).

It is not a de Polignac number, because 409343 - 2⁴ = 409327 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 1958 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (39900).

2⁴⁰⁹³⁴³ is an apocalyptic number.

409343 is a deficient number, since it is larger than the sum of its proper divisors (69457).

409343 is a wasteful number, since it uses less digits than its factorization.

409343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 409343 is about 639.7991872455. The cubic root of 409343 is about 74.2498856880.

The spelling of 409343 in words is "four hundred nine thousand, three hundred forty-three".