344000409 has 4 divisors (see below), whose sum is σ = 458667216. Its totient is φ = 229333604.

The previous prime is 344000401. The next prime is 344000413. The reversal of 344000409 is 904000443.

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, and also an emirpimes, since its reverse is a distinct semiprime: 904000443 = 3 ⋅301333481.

It is a cyclic number.

It is not a de Polignac number, because 344000409 - 2³ = 344000401 is a prime.

It is a super-3 number, since 3×344000409³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (344000401) 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, 57333399 + ... + 57333404.

It is an arithmetic number, because the mean of its divisors is an integer number (114666804).

Almost surely, 2^344000409 is an apocalyptic number.

It is an amenable number.

344000409 is a deficient number, since it is larger than the sum of its proper divisors (114666807).

344000409 is a wasteful number, since it uses less digits than its factorization.

344000409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114666806.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 344000409 is about 18547.2480168892. The cubic root of 344000409 is about 700.6798897691.

The spelling of 344000409 in words is "three hundred forty-four million, four hundred nine", and thus it is an aban number.