409600343 has 2 divisors, whose sum is σ = 409600344. Its totient is φ = 409600342.

The previous prime is 409600231. The next prime is 409600391. The reversal of 409600343 is 343006904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409600343 - 2¹² = 409596247 is a prime.

It is a super-4 number, since 4×409600343⁴ (a number of 36 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409608343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204800171 + 204800172.

It is an arithmetic number, because the mean of its divisors is an integer number (204800172).

Almost surely, 2^409600343 is an apocalyptic number.

409600343 is a deficient number, since it is larger than the sum of its proper divisors (1).

409600343 is an equidigital number, since it uses as much as digits as its factorization.

409600343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 409600343 is about 20238.5854989918. The cubic root of 409600343 is about 742.6544206781.

The spelling of 409600343 in words is "four hundred nine million, six hundred thousand, three hundred forty-three".