340414447 has 2 divisors, whose sum is σ = 340414448. Its totient is φ = 340414446.

The previous prime is 340414433. The next prime is 340414453. The reversal of 340414447 is 744414043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340414447 - 2²³ = 332025839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340417447) 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, 170207223 + 170207224.

It is an arithmetic number, because the mean of its divisors is an integer number (170207224).

Almost surely, 2^340414447 is an apocalyptic number.

340414447 is a deficient number, since it is larger than the sum of its proper divisors (1).

340414447 is an equidigital number, since it uses as much as digits as its factorization.

340414447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 340414447 is about 18450.3237640969. The cubic root of 340414447 is about 698.2366822960.

The spelling of 340414447 in words is "three hundred forty million, four hundred fourteen thousand, four hundred forty-seven".