348042385 has 8 divisors (see below), whose sum is σ = 419138856. Its totient is φ = 277441920.

The previous prime is 348042353. The next prime is 348042389. The reversal of 348042385 is 583240843.

It can be written as a sum of positive squares in 4 ways, for example, as 1635841 + 346406544 = 1279^2 + 18612^2 .

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

It is not a de Polignac number, because 348042385 - 2⁵ = 348042353 is a prime.

It is a super-2 number, since 2×348042385² = 242267003512976450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348042389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122454 + ... + 125263.

It is an arithmetic number, because the mean of its divisors is an integer number (52392357).

Almost surely, 2^348042385 is an apocalyptic number.

It is an amenable number.

348042385 is a deficient number, since it is larger than the sum of its proper divisors (71096471).

348042385 is a wasteful number, since it uses less digits than its factorization.

348042385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248003.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 348042385 is about 18655.8941088333. The cubic root of 348042385 is about 703.4135209269.

The spelling of 348042385 in words is "three hundred forty-eight million, forty-two thousand, three hundred eighty-five".