344054309 has 16 divisors (see below), whose sum is σ = 368822784. Its totient is φ = 320166000.

The previous prime is 344054267. The next prime is 344054341. The reversal of 344054309 is 903450443.

It is a cyclic number.

It is not a de Polignac number, because 344054309 - 2¹⁶ = 343988773 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 (344054209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326834 + ... + 327884.

It is an arithmetic number, because the mean of its divisors is an integer number (23051424).

Almost surely, 2^344054309 is an apocalyptic number.

It is an amenable number.

344054309 is a deficient number, since it is larger than the sum of its proper divisors (24768475).

344054309 is a wasteful number, since it uses less digits than its factorization.

344054309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 344054309 is about 18548.7010057308. The cubic root of 344054309 is about 700.7164834016.

The spelling of 344054309 in words is "three hundred forty-four million, fifty-four thousand, three hundred nine".