348085909 has 4 divisors (see below), whose sum is σ = 366406240. Its totient is φ = 329765580.

The previous prime is 348085891. The next prime is 348085939. The reversal of 348085909 is 909580843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348085909 - 2¹¹ = 348083861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348085939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9160137 + ... + 9160174.

It is an arithmetic number, because the mean of its divisors is an integer number (91601560).

Almost surely, 2^348085909 is an apocalyptic number.

It is an amenable number.

348085909 is a deficient number, since it is larger than the sum of its proper divisors (18320331).

348085909 is a wasteful number, since it uses less digits than its factorization.

348085909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320330.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 348085909 is about 18657.0605669811. The cubic root of 348085909 is about 703.4428412006.

The spelling of 348085909 in words is "three hundred forty-eight million, eighty-five thousand, nine hundred nine".