348344897 has 8 divisors (see below), whose sum is σ = 369147240. Its totient is φ = 328128640.

The previous prime is 348344873. The next prime is 348344929. The reversal of 348344897 is 798443843.

It is a Cunningham number, because it is equal to 18664²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 16777216 + 331567681 = 4096^2 + 18209^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 348344897 - 2⁸ = 348344641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348344837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145298 + ... + 147675.

It is an arithmetic number, because the mean of its divisors is an integer number (46143405).

Almost surely, 2^348344897 is an apocalyptic number.

It is an amenable number.

348344897 is a deficient number, since it is larger than the sum of its proper divisors (20802343).

348344897 is a wasteful number, since it uses less digits than its factorization.

348344897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293043.

The product of its digits is 2322432, while the sum is 50.

The square root of 348344897 is about 18664.0000267895. Note that the first 4 decimals coincide. The cubic root of 348344897 is about 703.6172599144.

The spelling of 348344897 in words is "three hundred forty-eight million, three hundred forty-four thousand, eight hundred ninety-seven".