344307938 has 8 divisors (see below), whose sum is σ = 556189788. Its totient is φ = 158911344.

The previous prime is 344307937. The next prime is 344307961. The reversal of 344307938 is 839703443.

It can be written as a sum of positive squares in 2 ways, for example, as 334048729 + 10259209 = 18277^2 + 3203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 344307895 and 344307904.

It is not an unprimeable number, because it can be changed into a prime (344307937) 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, 6621281 + ... + 6621332.

Almost surely, 2^344307938 is an apocalyptic number.

344307938 is a deficient number, since it is larger than the sum of its proper divisors (211881850).

344307938 is a wasteful number, since it uses less digits than its factorization.

344307938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242628.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 344307938 is about 18555.5365861513. The cubic root of 344307938 is about 700.8886251860. Note that the first 3 decimals are identical.

The spelling of 344307938 in words is "three hundred forty-four million, three hundred seven thousand, nine hundred thirty-eight".