340556941 has 2 divisors, whose sum is σ = 340556942. Its totient is φ = 340556940.

The previous prime is 340556939. The next prime is 340556981. The reversal of 340556941 is 149655043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329567716 + 10989225 = 18154^2 + 3315^2 .

It is a cyclic number.

It is not a de Polignac number, because 340556941 - 2¹ = 340556939 is a prime.

Together with 340556939, it forms a pair of twin primes.

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 340556941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340556911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170278470 + 170278471.

It is an arithmetic number, because the mean of its divisors is an integer number (170278471).

Almost surely, 2^340556941 is an apocalyptic number.

It is an amenable number.

340556941 is a deficient number, since it is larger than the sum of its proper divisors (1).

340556941 is an equidigital number, since it uses as much as digits as its factorization.

340556941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 340556941 is about 18454.1849183322. The cubic root of 340556941 is about 698.3340936127.

The spelling of 340556941 in words is "three hundred forty million, five hundred fifty-six thousand, nine hundred forty-one".