344195457 has 4 divisors (see below), whose sum is σ = 458927280. Its totient is φ = 229463636.

The previous prime is 344195441. The next prime is 344195531. The reversal of 344195457 is 754591443.

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.

It is a cyclic number.

It is not a de Polignac number, because 344195457 - 2⁴ = 344195441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344195407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57365907 + ... + 57365912.

It is an arithmetic number, because the mean of its divisors is an integer number (114731820).

Almost surely, 2^344195457 is an apocalyptic number.

It is an amenable number.

344195457 is a deficient number, since it is larger than the sum of its proper divisors (114731823).

344195457 is a wasteful number, since it uses less digits than its factorization.

344195457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114731822.

The product of its digits is 302400, while the sum is 42.

The square root of 344195457 is about 18552.5054103213. The cubic root of 344195457 is about 700.8122930897.

The spelling of 344195457 in words is "three hundred forty-four million, one hundred ninety-five thousand, four hundred fifty-seven".