348339809 has 8 divisors (see below), whose sum is σ = 372484008. Its totient is φ = 324601600.

The previous prime is 348339779. The next prime is 348339811. The reversal of 348339809 is 908933843.

It can be written as a sum of positive squares in 4 ways, for example, as 122589184 + 225750625 = 11072^2 + 15025^2 .

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 348339809 - 2⁸ = 348339553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348339109) 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, 99722 + ... + 103155.

It is an arithmetic number, because the mean of its divisors is an integer number (46560501).

Almost surely, 2^348339809 is an apocalyptic number.

It is an amenable number.

348339809 is a deficient number, since it is larger than the sum of its proper divisors (24144199).

348339809 is a wasteful number, since it uses less digits than its factorization.

348339809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202995.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 348339809 is about 18663.8637211056. The cubic root of 348339809 is about 703.6138341697.

The spelling of 348339809 in words is "three hundred forty-eight million, three hundred thirty-nine thousand, eight hundred nine".