343580845 has 4 divisors (see below), whose sum is σ = 412297020. Its totient is φ = 274864672.

The previous prime is 343580813. The next prime is 343580869. The reversal of 343580845 is 548085343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142706916 + 200873929 = 11946^2 + 14173^2 .

It is a cyclic number.

It is not a de Polignac number, because 343580845 - 2⁵ = 343580813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343580798 and 343580807.

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, 34358080 + ... + 34358089.

It is an arithmetic number, because the mean of its divisors is an integer number (103074255).

Almost surely, 2^343580845 is an apocalyptic number.

It is an amenable number.

343580845 is a deficient number, since it is larger than the sum of its proper divisors (68716175).

343580845 is an equidigital number, since it uses as much as digits as its factorization.

343580845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68716174.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 343580845 is about 18535.9338852943. The cubic root of 343580845 is about 700.3949098201.

It can be divided in two parts, 3 and 43580845, that multiplied together give a triangular number (130742535 = T₁₆₁₇₀).

The spelling of 343580845 in words is "three hundred forty-three million, five hundred eighty thousand, eight hundred forty-five".