346138697 has 2 divisors, whose sum is σ = 346138698. Its totient is φ = 346138696.

The previous prime is 346138669. The next prime is 346138747. The reversal of 346138697 is 796831643.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320087881 + 26050816 = 17891^2 + 5104^2 .

It is a cyclic number.

It is not a de Polignac number, because 346138697 - 2⁶ = 346138633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346138657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173069348 + 173069349.

It is an arithmetic number, because the mean of its divisors is an integer number (173069349).

Almost surely, 2^346138697 is an apocalyptic number.

It is an amenable number.

346138697 is a deficient number, since it is larger than the sum of its proper divisors (1).

346138697 is an equidigital number, since it uses as much as digits as its factorization.

346138697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 346138697 is about 18604.8030626502. The cubic root of 346138697 is about 702.1286881608.

The spelling of 346138697 in words is "three hundred forty-six million, one hundred thirty-eight thousand, six hundred ninety-seven".