340413427 has 2 divisors, whose sum is σ = 340413428. Its totient is φ = 340413426.

The previous prime is 340413401. The next prime is 340413503. The reversal of 340413427 is 724314043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340413427 - 2¹⁵ = 340380659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340413395 and 340413404.

It is not a weakly prime, because it can be changed into another prime (340411427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170206713 + 170206714.

It is an arithmetic number, because the mean of its divisors is an integer number (170206714).

Almost surely, 2^340413427 is an apocalyptic number.

340413427 is a deficient number, since it is larger than the sum of its proper divisors (1).

340413427 is an equidigital number, since it uses as much as digits as its factorization.

340413427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 340413427 is about 18450.2961222849. The cubic root of 340413427 is about 698.2359849087.

The spelling of 340413427 in words is "three hundred forty million, four hundred thirteen thousand, four hundred twenty-seven".