340608629 has 2 divisors, whose sum is σ = 340608630. Its totient is φ = 340608628.

The previous prime is 340608623. The next prime is 340608647. The reversal of 340608629 is 926806043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198951025 + 141657604 = 14105^2 + 11902^2 .

It is a cyclic number.

It is not a de Polignac number, because 340608629 - 2²⁸ = 72173173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340608592 and 340608601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340608623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170304314 + 170304315.

It is an arithmetic number, because the mean of its divisors is an integer number (170304315).

Almost surely, 2^340608629 is an apocalyptic number.

It is an amenable number.

340608629 is a deficient number, since it is larger than the sum of its proper divisors (1).

340608629 is an equidigital number, since it uses as much as digits as its factorization.

340608629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 340608629 is about 18455.5853063510. The cubic root of 340608629 is about 698.3694216909.

The spelling of 340608629 in words is "three hundred forty million, six hundred eight thousand, six hundred twenty-nine".