346085505 has 24 divisors (see below), whose sum is σ = 600423720. Its totient is φ = 184412160.

The previous prime is 346085503. The next prime is 346085521. The reversal of 346085505 is 505580643.

It can be written as a sum of positive squares in 4 ways, for example, as 5461569 + 340623936 = 2337^2 + 18456^2 .

It is not a de Polignac number, because 346085505 - 2¹ = 346085503 is a prime.

It is a super-2 number, since 2×346085505² = 239550353542210050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 346085505.

It is not an unprimeable number, because it can be changed into a prime (346085503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59361 + ... + 64929.

It is an arithmetic number, because the mean of its divisors is an integer number (25017655).

Almost surely, 2^346085505 is an apocalyptic number.

It is an amenable number.

346085505 is a deficient number, since it is larger than the sum of its proper divisors (254338215).

346085505 is a wasteful number, since it uses less digits than its factorization.

346085505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961 (or 6958 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 346085505 is about 18603.3734843979. The cubic root of 346085505 is about 702.0927203606.

The spelling of 346085505 in words is "three hundred forty-six million, eighty-five thousand, five hundred five".