346059809 has 2 divisors, whose sum is σ = 346059810. Its totient is φ = 346059808.

The previous prime is 346059799. The next prime is 346059823. The reversal of 346059809 is 908950643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335915584 + 10144225 = 18328^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 346059809 - 2⁴ = 346059793 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346059809.

It is not a weakly prime, because it can be changed into another prime (346059859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173029904 + 173029905.

It is an arithmetic number, because the mean of its divisors is an integer number (173029905).

Almost surely, 2^346059809 is an apocalyptic number.

It is an amenable number.

346059809 is a deficient number, since it is larger than the sum of its proper divisors (1).

346059809 is an equidigital number, since it uses as much as digits as its factorization.

346059809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 346059809 is about 18602.6828441491. The cubic root of 346059809 is about 702.0753437097.

The spelling of 346059809 in words is "three hundred forty-six million, fifty-nine thousand, eight hundred nine".