340030345 has 8 divisors (see below), whose sum is σ = 432038664. Its totient is φ = 256022784.

The previous prime is 340030331. The next prime is 340030349. The reversal of 340030345 is 543030043.

It can be written as a sum of positive squares in 4 ways, for example, as 184878409 + 155151936 = 13597^2 + 12456^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340030345 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340030349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000094 + ... + 2000263.

It is an arithmetic number, because the mean of its divisors is an integer number (54004833).

Almost surely, 2^340030345 is an apocalyptic number.

It is an amenable number.

340030345 is a deficient number, since it is larger than the sum of its proper divisors (92008319).

340030345 is a wasteful number, since it uses less digits than its factorization.

340030345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000379.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 340030345 is about 18439.9117405697. The cubic root of 340030345 is about 697.9739681810.

Adding to 340030345 its reverse (543030043), we get a palindrome (883060388).

The spelling of 340030345 in words is "three hundred forty million, thirty thousand, three hundred forty-five".