340704811 has 2 divisors, whose sum is σ = 340704812. Its totient is φ = 340704810.

The previous prime is 340704761. The next prime is 340704821. The reversal of 340704811 is 118407043.

It is a strong prime.

It is an emirp because it is prime and its reverse (118407043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340704811 - 2¹⁵ = 340672043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340704811.

It is not a weakly prime, because it can be changed into another prime (340704821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170352405 + 170352406.

It is an arithmetic number, because the mean of its divisors is an integer number (170352406).

Almost surely, 2^340704811 is an apocalyptic number.

340704811 is a deficient number, since it is larger than the sum of its proper divisors (1).

340704811 is an equidigital number, since it uses as much as digits as its factorization.

340704811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 340704811 is about 18458.1908918507. The cubic root of 340704811 is about 698.4351513293.

The spelling of 340704811 in words is "three hundred forty million, seven hundred four thousand, eight hundred eleven".