344404563 has 4 divisors (see below), whose sum is σ = 459206088. Its totient is φ = 229603040.

The previous prime is 344404537. The next prime is 344404639. The reversal of 344404563 is 365404443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344404563 - 2⁵ = 344404531 is a prime.

It is a super-2 number, since 2×344404563² = 237229006030441938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344404363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57400758 + ... + 57400763.

It is an arithmetic number, because the mean of its divisors is an integer number (114801522).

Almost surely, 2^344404563 is an apocalyptic number.

344404563 is a deficient number, since it is larger than the sum of its proper divisors (114801525).

344404563 is a wasteful number, since it uses less digits than its factorization.

344404563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114801524.

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 344404563 is about 18558.1400738328. The cubic root of 344404563 is about 700.9541837763.

The spelling of 344404563 in words is "three hundred forty-four million, four hundred four thousand, five hundred sixty-three".