341399309 has 4 divisors (see below), whose sum is σ = 341442780. Its totient is φ = 341355840.

The previous prime is 341399297. The next prime is 341399347. The reversal of 341399309 is 903993143.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 903993143 = 11273 ⋅80191.

It can be written as a sum of positive squares in 2 ways, for example, as 234855625 + 106543684 = 15325^2 + 10322^2 .

It is a cyclic number.

It is not a de Polignac number, because 341399309 - 2⁴ = 341399293 is a prime.

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 (341389309) 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, 6302 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (85360695).

Almost surely, 2^341399309 is an apocalyptic number.

It is an amenable number.

341399309 is a deficient number, since it is larger than the sum of its proper divisors (43471).

341399309 is a wasteful number, since it uses less digits than its factorization.

341399309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43470.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 341399309 is about 18476.9940466516. The cubic root of 341399309 is about 698.9093962738.

The spelling of 341399309 in words is "three hundred forty-one million, three hundred ninety-nine thousand, three hundred nine".