344371999 has 4 divisors (see below), whose sum is σ = 345458664. Its totient is φ = 343285336.

The previous prime is 344371991. The next prime is 344372047. The reversal of 344371999 is 999173443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999173443 = 29599 ⋅33757.

It is a cyclic number.

It is not a de Polignac number, because 344371999 - 2³ = 344371991 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 (344371991) 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, 542857 + ... + 543490.

It is an arithmetic number, because the mean of its divisors is an integer number (86364666).

Almost surely, 2^344371999 is an apocalyptic number.

344371999 is a deficient number, since it is larger than the sum of its proper divisors (1086665).

344371999 is a wasteful number, since it uses less digits than its factorization.

344371999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086664.

The product of its digits is 734832, while the sum is 49.

The square root of 344371999 is about 18557.2627022414. The cubic root of 344371999 is about 700.9320909685.

The spelling of 344371999 in words is "three hundred forty-four million, three hundred seventy-one thousand, nine hundred ninety-nine".