409376343 has 4 divisors (see below), whose sum is σ = 545835128. Its totient is φ = 272917560.

The previous prime is 409376321. The next prime is 409376347. The reversal of 409376343 is 343673904.

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

It is not a de Polignac number, because 409376343 - 2¹⁰ = 409375319 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 (409376347) 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, 68229388 + ... + 68229393.

It is an arithmetic number, because the mean of its divisors is an integer number (136458782).

Almost surely, 2^409376343 is an apocalyptic number.

409376343 is a deficient number, since it is larger than the sum of its proper divisors (136458785).

409376343 is a wasteful number, since it uses less digits than its factorization.

409376343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136458784.

The product of its (nonzero) digits is 163296, while the sum is 39.

The square root of 409376343 is about 20233.0507585979. The cubic root of 409376343 is about 742.5190163933.

The spelling of 409376343 in words is "four hundred nine million, three hundred seventy-six thousand, three hundred forty-three".