340948429 has 2 divisors, whose sum is σ = 340948430. Its totient is φ = 340948428.

The previous prime is 340948397. The next prime is 340948457. The reversal of 340948429 is 924849043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335988900 + 4959529 = 18330^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 340948429 - 2⁵ = 340948397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340948469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170474214 + 170474215.

It is an arithmetic number, because the mean of its divisors is an integer number (170474215).

Almost surely, 2^340948429 is an apocalyptic number.

It is an amenable number.

340948429 is a deficient number, since it is larger than the sum of its proper divisors (1).

340948429 is an equidigital number, since it uses as much as digits as its factorization.

340948429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 340948429 is about 18464.7888967082. The cubic root of 340948429 is about 698.6015816528.

The spelling of 340948429 in words is "three hundred forty million, nine hundred forty-eight thousand, four hundred twenty-nine".