348345427 has 4 divisors (see below), whose sum is σ = 348714216. Its totient is φ = 347976640.

The previous prime is 348345421. The next prime is 348345433. The reversal of 348345427 is 724543843.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724543843 = 25411 ⋅28513.

It is an interprime number because it is at equal distance from previous prime (348345421) and next prime (348345433).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348345427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348345427.

It is not an unprimeable number, because it can be changed into a prime (348345421) 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, 182974 + ... + 184867.

It is an arithmetic number, because the mean of its divisors is an integer number (87178554).

Almost surely, 2^348345427 is an apocalyptic number.

348345427 is a deficient number, since it is larger than the sum of its proper divisors (368789).

348345427 is an equidigital number, since it uses as much as digits as its factorization.

348345427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368788.

The product of its digits is 322560, while the sum is 40.

The square root of 348345427 is about 18664.0142252410. The cubic root of 348345427 is about 703.6176167609.

The spelling of 348345427 in words is "three hundred forty-eight million, three hundred forty-five thousand, four hundred twenty-seven".