340744091 has 2 divisors, whose sum is σ = 340744092. Its totient is φ = 340744090.

The previous prime is 340744069. The next prime is 340744097. The reversal of 340744091 is 190447043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340744091 - 2¹⁴ = 340727707 is a prime.

It is a super-2 number, since 2×340744091² = 232213071102832562, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18332663 and since 340744091 and 18332663 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (340744097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170372045 + 170372046.

It is an arithmetic number, because the mean of its divisors is an integer number (170372046).

Almost surely, 2^340744091 is an apocalyptic number.

340744091 is a deficient number, since it is larger than the sum of its proper divisors (1).

340744091 is an equidigital number, since it uses as much as digits as its factorization.

340744091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 340744091 is about 18459.2548874542. The cubic root of 340744091 is about 698.4619912580.

The spelling of 340744091 in words is "three hundred forty million, seven hundred forty-four thousand, ninety-one".