344350387 has 4 divisors (see below), whose sum is σ = 355458496. Its totient is φ = 333242280.

The previous prime is 344350343. The next prime is 344350403. The reversal of 344350387 is 783053443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783053443 = 5563 ⋅140761.

It is a cyclic number.

It is not a de Polignac number, because 344350387 - 2¹¹ = 344348339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344350337) 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, 5554008 + ... + 5554069.

It is an arithmetic number, because the mean of its divisors is an integer number (88864624).

Almost surely, 2^344350387 is an apocalyptic number.

344350387 is a deficient number, since it is larger than the sum of its proper divisors (11108109).

344350387 is a wasteful number, since it uses less digits than its factorization.

344350387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108108.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 344350387 is about 18556.6803873969. The cubic root of 344350387 is about 700.9174276961.

The spelling of 344350387 in words is "three hundred forty-four million, three hundred fifty thousand, three hundred eighty-seven".