340055447 has 2 divisors, whose sum is σ = 340055448. Its totient is φ = 340055446.

The previous prime is 340055431. The next prime is 340055467. The reversal of 340055447 is 744550043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340055447 - 2⁴ = 340055431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340055467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170027723 + 170027724.

It is an arithmetic number, because the mean of its divisors is an integer number (170027724).

Almost surely, 2^340055447 is an apocalyptic number.

340055447 is a deficient number, since it is larger than the sum of its proper divisors (1).

340055447 is an equidigital number, since it uses as much as digits as its factorization.

340055447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 340055447 is about 18440.5923711794. The cubic root of 340055447 is about 697.9911432280.

The spelling of 340055447 in words is "three hundred forty million, fifty-five thousand, four hundred forty-seven".