348408805 has 4 divisors (see below), whose sum is σ = 418090572. Its totient is φ = 278727040.

The previous prime is 348408787. The next prime is 348408817. The reversal of 348408805 is 508804843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508804843 = 61 ⋅8341063.

It can be written as a sum of positive squares in 2 ways, for example, as 204432804 + 143976001 = 14298^2 + 11999^2 .

It is not a de Polignac number, because 348408805 - 2⁵ = 348408773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34840876 + ... + 34840885.

It is an arithmetic number, because the mean of its divisors is an integer number (104522643).

Almost surely, 2^348408805 is an apocalyptic number.

It is an amenable number.

348408805 is a deficient number, since it is larger than the sum of its proper divisors (69681767).

348408805 is an equidigital number, since it uses as much as digits as its factorization.

348408805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69681766.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 348408805 is about 18665.7120142790. The cubic root of 348408805 is about 703.6602862585.

The spelling of 348408805 in words is "three hundred forty-eight million, four hundred eight thousand, eight hundred five".