344243855 has 16 divisors (see below), whose sum is σ = 423102528. Its totient is φ = 268800000.

The previous prime is 344243849. The next prime is 344243857. The reversal of 344243855 is 558342443.

It is not a de Polignac number, because 344243855 - 2⁶ = 344243791 is a prime.

It is a super-2 number, since 2×344243855² = 237007663410522050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344243857) 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, 31055 + ... + 40655.

It is an arithmetic number, because the mean of its divisors is an integer number (26443908).

Almost surely, 2^344243855 is an apocalyptic number.

344243855 is a deficient number, since it is larger than the sum of its proper divisors (78858673).

344243855 is a wasteful number, since it uses less digits than its factorization.

344243855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9778.

The product of its digits is 230400, while the sum is 38.

The square root of 344243855 is about 18553.8097166054. The cubic root of 344243855 is about 700.8451390818.

The spelling of 344243855 in words is "three hundred forty-four million, two hundred forty-three thousand, eight hundred fifty-five".